Home / 187,914.38-281,841.56-54,763.49

Finding the Fourth Proportional to 187,914.38, 281,841.56 and 54,763.49

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Solution

The fourth proportional to 187,914.38, 281,841.56 and 54,763.49 is: 82,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,914.38 : 281,841.56 = 54,763.49 : x
  2. Step 2: Convert to fraction form
    187,914.38/281,841.56 = 54,763.49/x
  3. Step 3: Cross multiply
    187,914.38x = 281,841.56 × 54,763.49
  4. Step 4: Simplify right side
    187,914.38x = 15,434,627,452.64
  5. Step 5: Solve for x
    x = 15,434,627,452.64/187,914.38
  6. Step 6: Final answer
    x = 82,136.49

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1.5x scale

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.