Home / 187,863.11-281,767.33-54,707.62

Finding the Fourth Proportional to 187,863.11, 281,767.33 and 54,707.62

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Solution

The fourth proportional to 187,863.11, 281,767.33 and 54,707.62 is: 82,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,863.11 : 281,767.33 = 54,707.62 : x
  2. Step 2: Convert to fraction form
    187,863.11/281,767.33 = 54,707.62/x
  3. Step 3: Cross multiply
    187,863.11x = 281,767.33 × 54,707.62
  4. Step 4: Simplify right side
    187,863.11x = 15,414,819,602.60
  5. Step 5: Solve for x
    x = 15,414,819,602.60/187,863.11
  6. Step 6: Final answer
    x = 82,053.47

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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.