Home / 376,221.05-519,191.40-206,470.97

Finding the Fourth Proportional to 376,221.05, 519,191.40 and 206,470.97

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Solution

The fourth proportional to 376,221.05, 519,191.40 and 206,470.97 is: 284,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,221.05 : 519,191.40 = 206,470.97 : x
  2. Step 2: Convert to fraction form
    376,221.05/519,191.40 = 206,470.97/x
  3. Step 3: Cross multiply
    376,221.05x = 519,191.40 × 206,470.97
  4. Step 4: Simplify right side
    376,221.05x = 107,197,948,861.52
  5. Step 5: Solve for x
    x = 107,197,948,861.52/376,221.05
  6. Step 6: Final answer
    x = 284,933.42

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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.