Home / 141,379.88-195,104.64-80,951.44

Finding the Fourth Proportional to 141,379.88, 195,104.64 and 80,951.44

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Solution

The fourth proportional to 141,379.88, 195,104.64 and 80,951.44 is: 111,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379.88 : 195,104.64 = 80,951.44 : x
  2. Step 2: Convert to fraction form
    141,379.88/195,104.64 = 80,951.44/x
  3. Step 3: Cross multiply
    141,379.88x = 195,104.64 × 80,951.44
  4. Step 4: Simplify right side
    141,379.88x = 15,794,001,558.68
  5. Step 5: Solve for x
    x = 15,794,001,558.68/141,379.88
  6. Step 6: Final answer
    x = 111,713.22

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1.5x scale

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.