Home / 187,366.50-281,098.35-67,419.27

Finding the Fourth Proportional to 187,366.50, 281,098.35 and 67,419.27

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Solution

The fourth proportional to 187,366.50, 281,098.35 and 67,419.27 is: 101,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,366.50 : 281,098.35 = 67,419.27 : x
  2. Step 2: Convert to fraction form
    187,366.50/281,098.35 = 67,419.27/x
  3. Step 3: Cross multiply
    187,366.50x = 281,098.35 × 67,419.27
  4. Step 4: Simplify right side
    187,366.50x = 18,951,445,555.20
  5. Step 5: Solve for x
    x = 18,951,445,555.20/187,366.50
  6. Step 6: Final answer
    x = 101,146.39

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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.