Home / 132,113.38-198,170.07-38,619.13

Finding the Fourth Proportional to 132,113.38, 198,170.07 and 38,619.13

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Solution

The fourth proportional to 132,113.38, 198,170.07 and 38,619.13 is: 57,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,113.38 : 198,170.07 = 38,619.13 : x
  2. Step 2: Convert to fraction form
    132,113.38/198,170.07 = 38,619.13/x
  3. Step 3: Cross multiply
    132,113.38x = 198,170.07 × 38,619.13
  4. Step 4: Simplify right side
    132,113.38x = 7,653,155,695.44
  5. Step 5: Solve for x
    x = 7,653,155,695.44/132,113.38
  6. Step 6: Final answer
    x = 57,928.70

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Similar ratio
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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.