Home / 268,148.24-402,217.14-108,219.92

Finding the Fourth Proportional to 268,148.24, 402,217.14 and 108,219.92

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Solution

The fourth proportional to 268,148.24, 402,217.14 and 108,219.92 is: 162,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,148.24 : 402,217.14 = 108,219.92 : x
  2. Step 2: Convert to fraction form
    268,148.24/402,217.14 = 108,219.92/x
  3. Step 3: Cross multiply
    268,148.24x = 402,217.14 × 108,219.92
  4. Step 4: Simplify right side
    268,148.24x = 43,527,906,713.43
  5. Step 5: Solve for x
    x = 43,527,906,713.43/268,148.24
  6. Step 6: Final answer
    x = 162,327.77

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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.