Home / 125,649.20-173,397.24-68,288.52

Finding the Fourth Proportional to 125,649.20, 173,397.24 and 68,288.52

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Solution

The fourth proportional to 125,649.20, 173,397.24 and 68,288.52 is: 94,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.20 : 173,397.24 = 68,288.52 : x
  2. Step 2: Convert to fraction form
    125,649.20/173,397.24 = 68,288.52/x
  3. Step 3: Cross multiply
    125,649.20x = 173,397.24 × 68,288.52
  4. Step 4: Simplify right side
    125,649.20x = 11,841,040,891.68
  5. Step 5: Solve for x
    x = 11,841,040,891.68/125,649.20
  6. Step 6: Final answer
    x = 94,238.89

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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.