Home / 198,691.68-274,189.14-112,666.44

Finding the Fourth Proportional to 198,691.68, 274,189.14 and 112,666.44

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Solution

The fourth proportional to 198,691.68, 274,189.14 and 112,666.44 is: 155,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,691.68 : 274,189.14 = 112,666.44 : x
  2. Step 2: Convert to fraction form
    198,691.68/274,189.14 = 112,666.44/x
  3. Step 3: Cross multiply
    198,691.68x = 274,189.14 × 112,666.44
  4. Step 4: Simplify right side
    198,691.68x = 30,891,914,290.46
  5. Step 5: Solve for x
    x = 30,891,914,290.46/198,691.68
  6. Step 6: Final answer
    x = 155,476.64

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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.