Home / 207,474.08-311,132.72-67,195.04

Finding the Fourth Proportional to 207,474.08, 311,132.72 and 67,195.04

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Solution

The fourth proportional to 207,474.08, 311,132.72 and 67,195.04 is: 100,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,474.08 : 311,132.72 = 67,195.04 : x
  2. Step 2: Convert to fraction form
    207,474.08/311,132.72 = 67,195.04/x
  3. Step 3: Cross multiply
    207,474.08x = 311,132.72 × 67,195.04
  4. Step 4: Simplify right side
    207,474.08x = 20,906,575,565.71
  5. Step 5: Solve for x
    x = 20,906,575,565.71/207,474.08
  6. Step 6: Final answer
    x = 100,767.17

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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.