Home / 125,150.62-187,726.56-31,656.46

Finding the Fourth Proportional to 125,150.62, 187,726.56 and 31,656.46

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Solution

The fourth proportional to 125,150.62, 187,726.56 and 31,656.46 is: 47,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.62 : 187,726.56 = 31,656.46 : x
  2. Step 2: Convert to fraction form
    125,150.62/187,726.56 = 31,656.46/x
  3. Step 3: Cross multiply
    125,150.62x = 187,726.56 × 31,656.46
  4. Step 4: Simplify right side
    125,150.62x = 5,942,758,337.58
  5. Step 5: Solve for x
    x = 5,942,758,337.58/125,150.62
  6. Step 6: Final answer
    x = 47,484.85

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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.