Home / 187,410.50-281,144.98-61,020.90

Finding the Fourth Proportional to 187,410.50, 281,144.98 and 61,020.90

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Solution

The fourth proportional to 187,410.50, 281,144.98 and 61,020.90 is: 91,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,410.50 : 281,144.98 = 61,020.90 : x
  2. Step 2: Convert to fraction form
    187,410.50/281,144.98 = 61,020.90/x
  3. Step 3: Cross multiply
    187,410.50x = 281,144.98 × 61,020.90
  4. Step 4: Simplify right side
    187,410.50x = 17,155,719,710.08
  5. Step 5: Solve for x
    x = 17,155,719,710.08/187,410.50
  6. Step 6: Final answer
    x = 91,540.87

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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.