Home / 124,930.56-187,234.80-108,854.92

Finding the Fourth Proportional to 124,930.56, 187,234.80 and 108,854.92

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Solution

The fourth proportional to 124,930.56, 187,234.80 and 108,854.92 is: 163,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930.56 : 187,234.80 = 108,854.92 : x
  2. Step 2: Convert to fraction form
    124,930.56/187,234.80 = 108,854.92/x
  3. Step 3: Cross multiply
    124,930.56x = 187,234.80 × 108,854.92
  4. Step 4: Simplify right side
    124,930.56x = 20,381,429,175.22
  5. Step 5: Solve for x
    x = 20,381,429,175.22/124,930.56
  6. Step 6: Final answer
    x = 163,142.06

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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.