Home / 194,766.17-268,776.20-108,720.18

Finding the Fourth Proportional to 194,766.17, 268,776.20 and 108,720.18

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Solution

The fourth proportional to 194,766.17, 268,776.20 and 108,720.18 is: 150,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,766.17 : 268,776.20 = 108,720.18 : x
  2. Step 2: Convert to fraction form
    194,766.17/268,776.20 = 108,720.18/x
  3. Step 3: Cross multiply
    194,766.17x = 268,776.20 × 108,720.18
  4. Step 4: Simplify right side
    194,766.17x = 29,221,396,300.12
  5. Step 5: Solve for x
    x = 29,221,396,300.12/194,766.17
  6. Step 6: Final answer
    x = 150,033.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.