Home / 198,627.49-274,131.17-112,600.48

Finding the Fourth Proportional to 198,627.49, 274,131.17 and 112,600.48

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Solution

The fourth proportional to 198,627.49, 274,131.17 and 112,600.48 is: 155,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,627.49 : 274,131.17 = 112,600.48 : x
  2. Step 2: Convert to fraction form
    198,627.49/274,131.17 = 112,600.48/x
  3. Step 3: Cross multiply
    198,627.49x = 274,131.17 × 112,600.48
  4. Step 4: Simplify right side
    198,627.49x = 30,867,301,324.96
  5. Step 5: Solve for x
    x = 30,867,301,324.96/198,627.49
  6. Step 6: Final answer
    x = 155,402.97

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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.