Home / 324,301.38-486,402.16-108,163.92

Finding the Fourth Proportional to 324,301.38, 486,402.16 and 108,163.92

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Solution

The fourth proportional to 324,301.38, 486,402.16 and 108,163.92 is: 162,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,301.38 : 486,402.16 = 108,163.92 : x
  2. Step 2: Convert to fraction form
    324,301.38/486,402.16 = 108,163.92/x
  3. Step 3: Cross multiply
    324,301.38x = 486,402.16 × 108,163.92
  4. Step 4: Simplify right side
    324,301.38x = 52,611,164,322.07
  5. Step 5: Solve for x
    x = 52,611,164,322.07/324,301.38
  6. Step 6: Final answer
    x = 162,229.23

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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.