Home / 324,299.38-486,399.16-108,161.92

Finding the Fourth Proportional to 324,299.38, 486,399.16 and 108,161.92

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Solution

The fourth proportional to 324,299.38, 486,399.16 and 108,161.92 is: 162,226.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,299.38 : 486,399.16 = 108,161.92 : x
  2. Step 2: Convert to fraction form
    324,299.38/486,399.16 = 108,161.92/x
  3. Step 3: Cross multiply
    324,299.38x = 486,399.16 × 108,161.92
  4. Step 4: Simplify right side
    324,299.38x = 52,609,867,031.99
  5. Step 5: Solve for x
    x = 52,609,867,031.99/324,299.38
  6. Step 6: Final answer
    x = 162,226.23

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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.