Home / 187,452.72-281,175.48-54,327.60

Finding the Fourth Proportional to 187,452.72, 281,175.48 and 54,327.60

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Solution

The fourth proportional to 187,452.72, 281,175.48 and 54,327.60 is: 81,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,452.72 : 281,175.48 = 54,327.60 : x
  2. Step 2: Convert to fraction form
    187,452.72/281,175.48 = 54,327.60/x
  3. Step 3: Cross multiply
    187,452.72x = 281,175.48 × 54,327.60
  4. Step 4: Simplify right side
    187,452.72x = 15,275,589,007.25
  5. Step 5: Solve for x
    x = 15,275,589,007.25/187,452.72
  6. Step 6: Final answer
    x = 81,490.36

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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.