Home / 141,336.44-195,043.62-80,906.78

Finding the Fourth Proportional to 141,336.44, 195,043.62 and 80,906.78

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Solution

The fourth proportional to 141,336.44, 195,043.62 and 80,906.78 is: 111,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,336.44 : 195,043.62 = 80,906.78 : x
  2. Step 2: Convert to fraction form
    141,336.44/195,043.62 = 80,906.78/x
  3. Step 3: Cross multiply
    141,336.44x = 195,043.62 × 80,906.78
  4. Step 4: Simplify right side
    141,336.44x = 15,780,351,253.74
  5. Step 5: Solve for x
    x = 15,780,351,253.74/141,336.44
  6. Step 6: Final answer
    x = 111,650.97

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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.