Home / 132,613.20-198,919.80-32,772.60

Finding the Fourth Proportional to 132,613.20, 198,919.80 and 32,772.60

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Solution

The fourth proportional to 132,613.20, 198,919.80 and 32,772.60 is: 49,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,613.20 : 198,919.80 = 32,772.60 : x
  2. Step 2: Convert to fraction form
    132,613.20/198,919.80 = 32,772.60/x
  3. Step 3: Cross multiply
    132,613.20x = 198,919.80 × 32,772.60
  4. Step 4: Simplify right side
    132,613.20x = 6,519,119,037.48
  5. Step 5: Solve for x
    x = 6,519,119,037.48/132,613.20
  6. Step 6: Final answer
    x = 49,158.90

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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.