Home / 231,149.90-346,726.17-71,223.74

Finding the Fourth Proportional to 231,149.90, 346,726.17 and 71,223.74

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Solution

The fourth proportional to 231,149.90, 346,726.17 and 71,223.74 is: 106,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,149.90 : 346,726.17 = 71,223.74 : x
  2. Step 2: Convert to fraction form
    231,149.90/346,726.17 = 71,223.74/x
  3. Step 3: Cross multiply
    231,149.90x = 346,726.17 × 71,223.74
  4. Step 4: Simplify right side
    231,149.90x = 24,695,134,583.28
  5. Step 5: Solve for x
    x = 24,695,134,583.28/231,149.90
  6. Step 6: Final answer
    x = 106,836.02

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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.