Home / 151,923.12-209,649.96-83,945.04

Finding the Fourth Proportional to 151,923.12, 209,649.96 and 83,945.04

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Solution

The fourth proportional to 151,923.12, 209,649.96 and 83,945.04 is: 115,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,923.12 : 209,649.96 = 83,945.04 : x
  2. Step 2: Convert to fraction form
    151,923.12/209,649.96 = 83,945.04/x
  3. Step 3: Cross multiply
    151,923.12x = 209,649.96 × 83,945.04
  4. Step 4: Simplify right side
    151,923.12x = 17,599,074,278.20
  5. Step 5: Solve for x
    x = 17,599,074,278.20/151,923.12
  6. Step 6: Final answer
    x = 115,841.98

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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.