Home / 441,357.20-661,517.40-204,198.92

Finding the Fourth Proportional to 441,357.20, 661,517.40 and 204,198.92

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Solution

The fourth proportional to 441,357.20, 661,517.40 and 204,198.92 is: 306,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,357.20 : 661,517.40 = 204,198.92 : x
  2. Step 2: Convert to fraction form
    441,357.20/661,517.40 = 204,198.92/x
  3. Step 3: Cross multiply
    441,357.20x = 661,517.40 × 204,198.92
  4. Step 4: Simplify right side
    441,357.20x = 135,081,138,641.21
  5. Step 5: Solve for x
    x = 135,081,138,641.21/441,357.20
  6. Step 6: Final answer
    x = 306,058.54

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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.