Home / 187,914.66-281,841.98-54,763.78

Finding the Fourth Proportional to 187,914.66, 281,841.98 and 54,763.78

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Solution

The fourth proportional to 187,914.66, 281,841.98 and 54,763.78 is: 82,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,914.66 : 281,841.98 = 54,763.78 : x
  2. Step 2: Convert to fraction form
    187,914.66/281,841.98 = 54,763.78/x
  3. Step 3: Cross multiply
    187,914.66x = 281,841.98 × 54,763.78
  4. Step 4: Simplify right side
    187,914.66x = 15,434,732,187.48
  5. Step 5: Solve for x
    x = 15,434,732,187.48/187,914.66
  6. Step 6: Final answer
    x = 82,136.92

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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.