Home / 141,213.25-194,891.57-81,597.25

Finding the Fourth Proportional to 141,213.25, 194,891.57 and 81,597.25

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Solution

The fourth proportional to 141,213.25, 194,891.57 and 81,597.25 is: 112,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,213.25 : 194,891.57 = 81,597.25 : x
  2. Step 2: Convert to fraction form
    141,213.25/194,891.57 = 81,597.25/x
  3. Step 3: Cross multiply
    141,213.25x = 194,891.57 × 81,597.25
  4. Step 4: Simplify right side
    141,213.25x = 15,902,616,160.18
  5. Step 5: Solve for x
    x = 15,902,616,160.18/141,213.25
  6. Step 6: Final answer
    x = 112,614.19

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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.