Home / 141,274.12-194,969.22-80,863.72

Finding the Fourth Proportional to 141,274.12, 194,969.22 and 80,863.72

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Solution

The fourth proportional to 141,274.12, 194,969.22 and 80,863.72 is: 111,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,274.12 : 194,969.22 = 80,863.72 : x
  2. Step 2: Convert to fraction form
    141,274.12/194,969.22 = 80,863.72/x
  3. Step 3: Cross multiply
    141,274.12x = 194,969.22 × 80,863.72
  4. Step 4: Simplify right side
    141,274.12x = 15,765,936,414.70
  5. Step 5: Solve for x
    x = 15,765,936,414.70/141,274.12
  6. Step 6: Final answer
    x = 111,598.19

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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.