Home / 141,144.14-194,778.08-76,614.66

Finding the Fourth Proportional to 141,144.14, 194,778.08 and 76,614.66

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Solution

The fourth proportional to 141,144.14, 194,778.08 and 76,614.66 is: 105,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,144.14 : 194,778.08 = 76,614.66 : x
  2. Step 2: Convert to fraction form
    141,144.14/194,778.08 = 76,614.66/x
  3. Step 3: Cross multiply
    141,144.14x = 194,778.08 × 76,614.66
  4. Step 4: Simplify right side
    141,144.14x = 14,922,856,374.65
  5. Step 5: Solve for x
    x = 14,922,856,374.65/141,144.14
  6. Step 6: Final answer
    x = 105,727.78

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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.