Home / 356,118.12-491,424.17-194,941.96

Finding the Fourth Proportional to 356,118.12, 491,424.17 and 194,941.96

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Solution

The fourth proportional to 356,118.12, 491,424.17 and 194,941.96 is: 269,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,118.12 : 491,424.17 = 194,941.96 : x
  2. Step 2: Convert to fraction form
    356,118.12/491,424.17 = 194,941.96/x
  3. Step 3: Cross multiply
    356,118.12x = 491,424.17 × 194,941.96
  4. Step 4: Simplify right side
    356,118.12x = 95,799,188,687.90
  5. Step 5: Solve for x
    x = 95,799,188,687.90/356,118.12
  6. Step 6: Final answer
    x = 269,009.59

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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.