Home / 141,273.45-194,960.97-77,612.85

Finding the Fourth Proportional to 141,273.45, 194,960.97 and 77,612.85

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Solution

The fourth proportional to 141,273.45, 194,960.97 and 77,612.85 is: 107,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,273.45 : 194,960.97 = 77,612.85 : x
  2. Step 2: Convert to fraction form
    141,273.45/194,960.97 = 77,612.85/x
  3. Step 3: Cross multiply
    141,273.45x = 194,960.97 × 77,612.85
  4. Step 4: Simplify right side
    141,273.45x = 15,131,476,520.46
  5. Step 5: Solve for x
    x = 15,131,476,520.46/141,273.45
  6. Step 6: Final answer
    x = 107,107.72

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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.