Home / 141,033.45-194,640.17-80,612.82

Finding the Fourth Proportional to 141,033.45, 194,640.17 and 80,612.82

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Solution

The fourth proportional to 141,033.45, 194,640.17 and 80,612.82 is: 111,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,033.45 : 194,640.17 = 80,612.82 : x
  2. Step 2: Convert to fraction form
    141,033.45/194,640.17 = 80,612.82/x
  3. Step 3: Cross multiply
    141,033.45x = 194,640.17 × 80,612.82
  4. Step 4: Simplify right side
    141,033.45x = 15,690,492,585.92
  5. Step 5: Solve for x
    x = 15,690,492,585.92/141,033.45
  6. Step 6: Final answer
    x = 111,253.69

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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.