Home / 125,221.19-187,842.72-31,726.94

Finding the Fourth Proportional to 125,221.19, 187,842.72 and 31,726.94

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Solution

The fourth proportional to 125,221.19, 187,842.72 and 31,726.94 is: 47,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,221.19 : 187,842.72 = 31,726.94 : x
  2. Step 2: Convert to fraction form
    125,221.19/187,842.72 = 31,726.94/x
  3. Step 3: Cross multiply
    125,221.19x = 187,842.72 × 31,726.94
  4. Step 4: Simplify right side
    125,221.19x = 5,959,674,157.95
  5. Step 5: Solve for x
    x = 5,959,674,157.95/125,221.19
  6. Step 6: Final answer
    x = 47,593.18

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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.