Home / 141,077.71-194,691.27-77,419.72

Finding the Fourth Proportional to 141,077.71, 194,691.27 and 77,419.72

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Solution

The fourth proportional to 141,077.71, 194,691.27 and 77,419.72 is: 106,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,077.71 : 194,691.27 = 77,419.72 : x
  2. Step 2: Convert to fraction form
    141,077.71/194,691.27 = 77,419.72/x
  3. Step 3: Cross multiply
    141,077.71x = 194,691.27 × 77,419.72
  4. Step 4: Simplify right side
    141,077.71x = 15,072,943,609.84
  5. Step 5: Solve for x
    x = 15,072,943,609.84/141,077.71
  6. Step 6: Final answer
    x = 106,841.43

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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.