Home / 220,351.38-330,296.40-92,340.96

Finding the Fourth Proportional to 220,351.38, 330,296.40 and 92,340.96

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Solution

The fourth proportional to 220,351.38, 330,296.40 and 92,340.96 is: 138,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,351.38 : 330,296.40 = 92,340.96 : x
  2. Step 2: Convert to fraction form
    220,351.38/330,296.40 = 92,340.96/x
  3. Step 3: Cross multiply
    220,351.38x = 330,296.40 × 92,340.96
  4. Step 4: Simplify right side
    220,351.38x = 30,499,886,660.54
  5. Step 5: Solve for x
    x = 30,499,886,660.54/220,351.38
  6. Step 6: Final answer
    x = 138,414.77

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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.