Home / 356,065.60-491,382.14-194,920.66

Finding the Fourth Proportional to 356,065.60, 491,382.14 and 194,920.66

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Solution

The fourth proportional to 356,065.60, 491,382.14 and 194,920.66 is: 268,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,065.60 : 491,382.14 = 194,920.66 : x
  2. Step 2: Convert to fraction form
    356,065.60/491,382.14 = 194,920.66/x
  3. Step 3: Cross multiply
    356,065.60x = 491,382.14 × 194,920.66
  4. Step 4: Simplify right side
    356,065.60x = 95,780,531,041.01
  5. Step 5: Solve for x
    x = 95,780,531,041.01/356,065.60
  6. Step 6: Final answer
    x = 268,996.87

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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.