Home / 96,337.20-144,505.80-80,785.20

Finding the Fourth Proportional to 96,337.20, 144,505.80 and 80,785.20

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Solution

The fourth proportional to 96,337.20, 144,505.80 and 80,785.20 is: 121,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,337.20 : 144,505.80 = 80,785.20 : x
  2. Step 2: Convert to fraction form
    96,337.20/144,505.80 = 80,785.20/x
  3. Step 3: Cross multiply
    96,337.20x = 144,505.80 × 80,785.20
  4. Step 4: Simplify right side
    96,337.20x = 11,673,929,954.16
  5. Step 5: Solve for x
    x = 11,673,929,954.16/96,337.20
  6. Step 6: Final answer
    x = 121,177.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.