Home / 187,766.47-281,694-61,406.22

Finding the Fourth Proportional to 187,766.47, 281,694 and 61,406.22

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Solution

The fourth proportional to 187,766.47, 281,694 and 61,406.22 is: 92,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,766.47 : 281,694 = 61,406.22 : x
  2. Step 2: Convert to fraction form
    187,766.47/281,694 = 61,406.22/x
  3. Step 3: Cross multiply
    187,766.47x = 281,694 × 61,406.22
  4. Step 4: Simplify right side
    187,766.47x = 17,297,763,736.68
  5. Step 5: Solve for x
    x = 17,297,763,736.68/187,766.47
  6. Step 6: Final answer
    x = 92,123.82

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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.