Home / 267,739.20-401,395.68-132,708.24

Finding the Fourth Proportional to 267,739.20, 401,395.68 and 132,708.24

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Solution

The fourth proportional to 267,739.20, 401,395.68 and 132,708.24 is: 198,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,739.20 : 401,395.68 = 132,708.24 : x
  2. Step 2: Convert to fraction form
    267,739.20/401,395.68 = 132,708.24/x
  3. Step 3: Cross multiply
    267,739.20x = 401,395.68 × 132,708.24
  4. Step 4: Simplify right side
    267,739.20x = 53,268,514,236.40
  5. Step 5: Solve for x
    x = 53,268,514,236.40/267,739.20
  6. Step 6: Final answer
    x = 198,956.72

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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.