Home / 125,207.32-187,817.82-31,713.88

Finding the Fourth Proportional to 125,207.32, 187,817.82 and 31,713.88

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Solution

The fourth proportional to 125,207.32, 187,817.82 and 31,713.88 is: 47,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,207.32 : 187,817.82 = 31,713.88 : x
  2. Step 2: Convert to fraction form
    125,207.32/187,817.82 = 31,713.88/x
  3. Step 3: Cross multiply
    125,207.32x = 187,817.82 × 31,713.88
  4. Step 4: Simplify right side
    125,207.32x = 5,956,431,805.34
  5. Step 5: Solve for x
    x = 5,956,431,805.34/125,207.32
  6. Step 6: Final answer
    x = 47,572.55

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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.