Home / 141,198.70-194,867.67-80,757.49

Finding the Fourth Proportional to 141,198.70, 194,867.67 and 80,757.49

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Solution

The fourth proportional to 141,198.70, 194,867.67 and 80,757.49 is: 111,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,198.70 : 194,867.67 = 80,757.49 : x
  2. Step 2: Convert to fraction form
    141,198.70/194,867.67 = 80,757.49/x
  3. Step 3: Cross multiply
    141,198.70x = 194,867.67 × 80,757.49
  4. Step 4: Simplify right side
    141,198.70x = 15,737,023,911.35
  5. Step 5: Solve for x
    x = 15,737,023,911.35/141,198.70
  6. Step 6: Final answer
    x = 111,453.04

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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.