Home / 198,883.04-274,458.66-108,239.36

Finding the Fourth Proportional to 198,883.04, 274,458.66 and 108,239.36

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Solution

The fourth proportional to 198,883.04, 274,458.66 and 108,239.36 is: 149,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,883.04 : 274,458.66 = 108,239.36 : x
  2. Step 2: Convert to fraction form
    198,883.04/274,458.66 = 108,239.36/x
  3. Step 3: Cross multiply
    198,883.04x = 274,458.66 × 108,239.36
  4. Step 4: Simplify right side
    198,883.04x = 29,707,229,704.86
  5. Step 5: Solve for x
    x = 29,707,229,704.86/198,883.04
  6. Step 6: Final answer
    x = 149,370.35

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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.