Home / 132,949.14-199,257.41-66,407.85

Finding the Fourth Proportional to 132,949.14, 199,257.41 and 66,407.85

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Solution

The fourth proportional to 132,949.14, 199,257.41 and 66,407.85 is: 99,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,949.14 : 199,257.41 = 66,407.85 : x
  2. Step 2: Convert to fraction form
    132,949.14/199,257.41 = 66,407.85/x
  3. Step 3: Cross multiply
    132,949.14x = 199,257.41 × 66,407.85
  4. Step 4: Simplify right side
    132,949.14x = 13,232,255,613.47
  5. Step 5: Solve for x
    x = 13,232,255,613.47/132,949.14
  6. Step 6: Final answer
    x = 99,528.70

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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.