Home / 187,822.20-281,779.50-54,703.70

Finding the Fourth Proportional to 187,822.20, 281,779.50 and 54,703.70

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Solution

The fourth proportional to 187,822.20, 281,779.50 and 54,703.70 is: 82,069.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,822.20 : 281,779.50 = 54,703.70 : x
  2. Step 2: Convert to fraction form
    187,822.20/281,779.50 = 54,703.70/x
  3. Step 3: Cross multiply
    187,822.20x = 281,779.50 × 54,703.70
  4. Step 4: Simplify right side
    187,822.20x = 15,414,381,234.15
  5. Step 5: Solve for x
    x = 15,414,381,234.15/187,822.20
  6. Step 6: Final answer
    x = 82,069.01

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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.