Home / 132,394.38-198,591.56-38,900.13

Finding the Fourth Proportional to 132,394.38, 198,591.56 and 38,900.13

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Solution

The fourth proportional to 132,394.38, 198,591.56 and 38,900.13 is: 58,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,394.38 : 198,591.56 = 38,900.13 : x
  2. Step 2: Convert to fraction form
    132,394.38/198,591.56 = 38,900.13/x
  3. Step 3: Cross multiply
    132,394.38x = 198,591.56 × 38,900.13
  4. Step 4: Simplify right side
    132,394.38x = 7,725,237,500.90
  5. Step 5: Solve for x
    x = 7,725,237,500.90/132,394.38
  6. Step 6: Final answer
    x = 58,350.19

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1.5x scale

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.