Home / 324,320.43-486,317.32-108,102.58

Finding the Fourth Proportional to 324,320.43, 486,317.32 and 108,102.58

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Solution

The fourth proportional to 324,320.43, 486,317.32 and 108,102.58 is: 162,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,320.43 : 486,317.32 = 108,102.58 : x
  2. Step 2: Convert to fraction form
    324,320.43/486,317.32 = 108,102.58/x
  3. Step 3: Cross multiply
    324,320.43x = 486,317.32 × 108,102.58
  4. Step 4: Simplify right side
    324,320.43x = 52,572,156,990.69
  5. Step 5: Solve for x
    x = 52,572,156,990.69/324,320.43
  6. Step 6: Final answer
    x = 162,099.43

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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.