Home / 187,839.78-281,870.24-69,593.55

Finding the Fourth Proportional to 187,839.78, 281,870.24 and 69,593.55

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Solution

The fourth proportional to 187,839.78, 281,870.24 and 69,593.55 is: 104,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,839.78 : 281,870.24 = 69,593.55 : x
  2. Step 2: Convert to fraction form
    187,839.78/281,870.24 = 69,593.55/x
  3. Step 3: Cross multiply
    187,839.78x = 281,870.24 × 69,593.55
  4. Step 4: Simplify right side
    187,839.78x = 19,616,350,292.98
  5. Step 5: Solve for x
    x = 19,616,350,292.98/187,839.78
  6. Step 6: Final answer
    x = 104,431.29

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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.