Home / 151,515.06-209,092.14-83,534.45

Finding the Fourth Proportional to 151,515.06, 209,092.14 and 83,534.45

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Solution

The fourth proportional to 151,515.06, 209,092.14 and 83,534.45 is: 115,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,515.06 : 209,092.14 = 83,534.45 : x
  2. Step 2: Convert to fraction form
    151,515.06/209,092.14 = 83,534.45/x
  3. Step 3: Cross multiply
    151,515.06x = 209,092.14 × 83,534.45
  4. Step 4: Simplify right side
    151,515.06x = 17,466,395,868.76
  5. Step 5: Solve for x
    x = 17,466,395,868.76/151,515.06
  6. Step 6: Final answer
    x = 115,278.28

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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.