Home / 141,116.78-194,744.85-80,697.26

Finding the Fourth Proportional to 141,116.78, 194,744.85 and 80,697.26

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Solution

The fourth proportional to 141,116.78, 194,744.85 and 80,697.26 is: 111,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,116.78 : 194,744.85 = 80,697.26 : x
  2. Step 2: Convert to fraction form
    141,116.78/194,744.85 = 80,697.26/x
  3. Step 3: Cross multiply
    141,116.78x = 194,744.85 × 80,697.26
  4. Step 4: Simplify right side
    141,116.78x = 15,715,375,794.11
  5. Step 5: Solve for x
    x = 15,715,375,794.11/141,116.78
  6. Step 6: Final answer
    x = 111,364.33

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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.