Home / 356,026.35-491,317.10-194,891.69

Finding the Fourth Proportional to 356,026.35, 491,317.10 and 194,891.69

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Solution

The fourth proportional to 356,026.35, 491,317.10 and 194,891.69 is: 268,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,026.35 : 491,317.10 = 194,891.69 : x
  2. Step 2: Convert to fraction form
    356,026.35/491,317.10 = 194,891.69/x
  3. Step 3: Cross multiply
    356,026.35x = 491,317.10 × 194,891.69
  4. Step 4: Simplify right side
    356,026.35x = 95,753,619,944.90
  5. Step 5: Solve for x
    x = 95,753,619,944.90/356,026.35
  6. Step 6: Final answer
    x = 268,950.94

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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.