Home / 187,487.46-281,173.24-54,377.50

Finding the Fourth Proportional to 187,487.46, 281,173.24 and 54,377.50

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Solution

The fourth proportional to 187,487.46, 281,173.24 and 54,377.50 is: 81,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,487.46 : 281,173.24 = 54,377.50 : x
  2. Step 2: Convert to fraction form
    187,487.46/281,173.24 = 54,377.50/x
  3. Step 3: Cross multiply
    187,487.46x = 281,173.24 × 54,377.50
  4. Step 4: Simplify right side
    187,487.46x = 15,289,497,858.10
  5. Step 5: Solve for x
    x = 15,289,497,858.10/187,487.46
  6. Step 6: Final answer
    x = 81,549.44

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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.