Home / 150,565.13-207,778.45-82,580.71

Finding the Fourth Proportional to 150,565.13, 207,778.45 and 82,580.71

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Solution

The fourth proportional to 150,565.13, 207,778.45 and 82,580.71 is: 113,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,565.13 : 207,778.45 = 82,580.71 : x
  2. Step 2: Convert to fraction form
    150,565.13/207,778.45 = 82,580.71/x
  3. Step 3: Cross multiply
    150,565.13x = 207,778.45 × 82,580.71
  4. Step 4: Simplify right side
    150,565.13x = 17,158,491,510.80
  5. Step 5: Solve for x
    x = 17,158,491,510.80/150,565.13
  6. Step 6: Final answer
    x = 113,960.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.