Home / 198,851.16-274,419.66-108,212.04

Finding the Fourth Proportional to 198,851.16, 274,419.66 and 108,212.04

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Solution

The fourth proportional to 198,851.16, 274,419.66 and 108,212.04 is: 149,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,851.16 : 274,419.66 = 108,212.04 : x
  2. Step 2: Convert to fraction form
    198,851.16/274,419.66 = 108,212.04/x
  3. Step 3: Cross multiply
    198,851.16x = 274,419.66 × 108,212.04
  4. Step 4: Simplify right side
    198,851.16x = 29,695,511,224.71
  5. Step 5: Solve for x
    x = 29,695,511,224.71/198,851.16
  6. Step 6: Final answer
    x = 149,335.37

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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.