Home / 356,067.75-491,382.15-194,922.30

Finding the Fourth Proportional to 356,067.75, 491,382.15 and 194,922.30

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Solution

The fourth proportional to 356,067.75, 491,382.15 and 194,922.30 is: 268,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,067.75 : 491,382.15 = 194,922.30 : x
  2. Step 2: Convert to fraction form
    356,067.75/491,382.15 = 194,922.30/x
  3. Step 3: Cross multiply
    356,067.75x = 491,382.15 × 194,922.30
  4. Step 4: Simplify right side
    356,067.75x = 95,781,337,204.64
  5. Step 5: Solve for x
    x = 95,781,337,204.64/356,067.75
  6. Step 6: Final answer
    x = 268,997.51

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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.