Home / 187,818.20-281,773.50-54,699.69

Finding the Fourth Proportional to 187,818.20, 281,773.50 and 54,699.69

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Solution

The fourth proportional to 187,818.20, 281,773.50 and 54,699.69 is: 82,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,818.20 : 281,773.50 = 54,699.69 : x
  2. Step 2: Convert to fraction form
    187,818.20/281,773.50 = 54,699.69/x
  3. Step 3: Cross multiply
    187,818.20x = 281,773.50 × 54,699.69
  4. Step 4: Simplify right side
    187,818.20x = 15,412,923,100.22
  5. Step 5: Solve for x
    x = 15,412,923,100.22/187,818.20
  6. Step 6: Final answer
    x = 82,062.99

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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.