Home / 141,082.12-194,685.56-77,414.88

Finding the Fourth Proportional to 141,082.12, 194,685.56 and 77,414.88

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Solution

The fourth proportional to 141,082.12, 194,685.56 and 77,414.88 is: 106,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,082.12 : 194,685.56 = 77,414.88 : x
  2. Step 2: Convert to fraction form
    141,082.12/194,685.56 = 77,414.88/x
  3. Step 3: Cross multiply
    141,082.12x = 194,685.56 × 77,414.88
  4. Step 4: Simplify right side
    141,082.12x = 15,071,559,265.13
  5. Step 5: Solve for x
    x = 15,071,559,265.13/141,082.12
  6. Step 6: Final answer
    x = 106,828.27

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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.