Home / 125,708.22-173,726.28-103,011.48

Finding the Fourth Proportional to 125,708.22, 173,726.28 and 103,011.48

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Solution

The fourth proportional to 125,708.22, 173,726.28 and 103,011.48 is: 142,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,708.22 : 173,726.28 = 103,011.48 : x
  2. Step 2: Convert to fraction form
    125,708.22/173,726.28 = 103,011.48/x
  3. Step 3: Cross multiply
    125,708.22x = 173,726.28 × 103,011.48
  4. Step 4: Simplify right side
    125,708.22x = 17,895,801,217.69
  5. Step 5: Solve for x
    x = 17,895,801,217.69/125,708.22
  6. Step 6: Final answer
    x = 142,359.83

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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.