Home / 141,013.14-194,585.85-80,571.78

Finding the Fourth Proportional to 141,013.14, 194,585.85 and 80,571.78

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Solution

The fourth proportional to 141,013.14, 194,585.85 and 80,571.78 is: 111,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,013.14 : 194,585.85 = 80,571.78 : x
  2. Step 2: Convert to fraction form
    141,013.14/194,585.85 = 80,571.78/x
  3. Step 3: Cross multiply
    141,013.14x = 194,585.85 × 80,571.78
  4. Step 4: Simplify right side
    141,013.14x = 15,678,128,297.31
  5. Step 5: Solve for x
    x = 15,678,128,297.31/141,013.14
  6. Step 6: Final answer
    x = 111,182.04

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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.