Home / 187,757.13-281,636.28-47,515.71

Finding the Fourth Proportional to 187,757.13, 281,636.28 and 47,515.71

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Solution

The fourth proportional to 187,757.13, 281,636.28 and 47,515.71 is: 71,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,757.13 : 281,636.28 = 47,515.71 : x
  2. Step 2: Convert to fraction form
    187,757.13/281,636.28 = 47,515.71/x
  3. Step 3: Cross multiply
    187,757.13x = 281,636.28 × 47,515.71
  4. Step 4: Simplify right side
    187,757.13x = 13,382,147,805.96
  5. Step 5: Solve for x
    x = 13,382,147,805.96/187,757.13
  6. Step 6: Final answer
    x = 71,273.71

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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.