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Finding the Fourth Proportional to 233,969.15, 322,850.12 and 131,996.22

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Solution

The fourth proportional to 233,969.15, 322,850.12 and 131,996.22 is: 182,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,969.15 : 322,850.12 = 131,996.22 : x
  2. Step 2: Convert to fraction form
    233,969.15/322,850.12 = 131,996.22/x
  3. Step 3: Cross multiply
    233,969.15x = 322,850.12 × 131,996.22
  4. Step 4: Simplify right side
    233,969.15x = 42,614,994,806.57
  5. Step 5: Solve for x
    x = 42,614,994,806.57/233,969.15
  6. Step 6: Final answer
    x = 182,139.38

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Half scale
Find fourth proportional to 467,938.29, 645,700.23 and 263,992.44
Double scale
Find fourth proportional to 233,970.15, 322,851.49 and 131,997.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.