Home / 187,734.16-281,601-75,414.37

Finding the Fourth Proportional to 187,734.16, 281,601 and 75,414.37

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Solution

The fourth proportional to 187,734.16, 281,601 and 75,414.37 is: 113,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,734.16 : 281,601 = 75,414.37 : x
  2. Step 2: Convert to fraction form
    187,734.16/281,601 = 75,414.37/x
  3. Step 3: Cross multiply
    187,734.16x = 281,601 × 75,414.37
  4. Step 4: Simplify right side
    187,734.16x = 21,236,762,006.37
  5. Step 5: Solve for x
    x = 21,236,762,006.37/187,734.16
  6. Step 6: Final answer
    x = 113,121.46

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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.