Home / 187,810.30-281,761.68-54,691.84

Finding the Fourth Proportional to 187,810.30, 281,761.68 and 54,691.84

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Solution

The fourth proportional to 187,810.30, 281,761.68 and 54,691.84 is: 82,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,810.30 : 281,761.68 = 54,691.84 : x
  2. Step 2: Convert to fraction form
    187,810.30/281,761.68 = 54,691.84/x
  3. Step 3: Cross multiply
    187,810.30x = 281,761.68 × 54,691.84
  4. Step 4: Simplify right side
    187,810.30x = 15,410,064,720.69
  5. Step 5: Solve for x
    x = 15,410,064,720.69/187,810.30
  6. Step 6: Final answer
    x = 82,051.22

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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.