Home / 141,231.92-194,899.39-76,700.71

Finding the Fourth Proportional to 141,231.92, 194,899.39 and 76,700.71

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Solution

The fourth proportional to 141,231.92, 194,899.39 and 76,700.71 is: 105,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,231.92 : 194,899.39 = 76,700.71 : x
  2. Step 2: Convert to fraction form
    141,231.92/194,899.39 = 76,700.71/x
  3. Step 3: Cross multiply
    141,231.92x = 194,899.39 × 76,700.71
  4. Step 4: Simplify right side
    141,231.92x = 14,948,920,912.57
  5. Step 5: Solve for x
    x = 14,948,920,912.57/141,231.92
  6. Step 6: Final answer
    x = 105,846.61

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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.