Home / 206,814.72-285,517.92-125,158.20

Finding the Fourth Proportional to 206,814.72, 285,517.92 and 125,158.20

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Solution

The fourth proportional to 206,814.72, 285,517.92 and 125,158.20 is: 172,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,814.72 : 285,517.92 = 125,158.20 : x
  2. Step 2: Convert to fraction form
    206,814.72/285,517.92 = 125,158.20/x
  3. Step 3: Cross multiply
    206,814.72x = 285,517.92 × 125,158.20
  4. Step 4: Simplify right side
    206,814.72x = 35,734,908,934.94
  5. Step 5: Solve for x
    x = 35,734,908,934.94/206,814.72
  6. Step 6: Final answer
    x = 172,787.07

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1.5x scale

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.