Home / 141,115.65-194,705.19-79,863.26

Finding the Fourth Proportional to 141,115.65, 194,705.19 and 79,863.26

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Solution

The fourth proportional to 141,115.65, 194,705.19 and 79,863.26 is: 110,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,115.65 : 194,705.19 = 79,863.26 : x
  2. Step 2: Convert to fraction form
    141,115.65/194,705.19 = 79,863.26/x
  3. Step 3: Cross multiply
    141,115.65x = 194,705.19 × 79,863.26
  4. Step 4: Simplify right side
    141,115.65x = 15,549,790,238.79
  5. Step 5: Solve for x
    x = 15,549,790,238.79/141,115.65
  6. Step 6: Final answer
    x = 110,191.82

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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.