Home / 129,951.12-194,812.79-62,449.52

Finding the Fourth Proportional to 129,951.12, 194,812.79 and 62,449.52

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Solution

The fourth proportional to 129,951.12, 194,812.79 and 62,449.52 is: 93,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,951.12 : 194,812.79 = 62,449.52 : x
  2. Step 2: Convert to fraction form
    129,951.12/194,812.79 = 62,449.52/x
  3. Step 3: Cross multiply
    129,951.12x = 194,812.79 × 62,449.52
  4. Step 4: Simplify right side
    129,951.12x = 12,165,965,400.15
  5. Step 5: Solve for x
    x = 12,165,965,400.15/129,951.12
  6. Step 6: Final answer
    x = 93,619.55

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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.