Home / 187,788.76-281,680.48-45,635.08

Finding the Fourth Proportional to 187,788.76, 281,680.48 and 45,635.08

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Solution

The fourth proportional to 187,788.76, 281,680.48 and 45,635.08 is: 68,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,788.76 : 281,680.48 = 45,635.08 : x
  2. Step 2: Convert to fraction form
    187,788.76/281,680.48 = 45,635.08/x
  3. Step 3: Cross multiply
    187,788.76x = 281,680.48 × 45,635.08
  4. Step 4: Simplify right side
    187,788.76x = 12,854,511,239.24
  5. Step 5: Solve for x
    x = 12,854,511,239.24/187,788.76
  6. Step 6: Final answer
    x = 68,451.97

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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.