Home / 132,299.20-198,380.76-38,792.80

Finding the Fourth Proportional to 132,299.20, 198,380.76 and 38,792.80

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Solution

The fourth proportional to 132,299.20, 198,380.76 and 38,792.80 is: 58,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,299.20 : 198,380.76 = 38,792.80 : x
  2. Step 2: Convert to fraction form
    132,299.20/198,380.76 = 38,792.80/x
  3. Step 3: Cross multiply
    132,299.20x = 198,380.76 × 38,792.80
  4. Step 4: Simplify right side
    132,299.20x = 7,695,745,146.53
  5. Step 5: Solve for x
    x = 7,695,745,146.53/132,299.20
  6. Step 6: Final answer
    x = 58,169.25

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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.