Home / 198,665.77-274,162.19-108,022.35

Finding the Fourth Proportional to 198,665.77, 274,162.19 and 108,022.35

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Solution

The fourth proportional to 198,665.77, 274,162.19 and 108,022.35 is: 149,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,665.77 : 274,162.19 = 108,022.35 : x
  2. Step 2: Convert to fraction form
    198,665.77/274,162.19 = 108,022.35/x
  3. Step 3: Cross multiply
    198,665.77x = 274,162.19 × 108,022.35
  4. Step 4: Simplify right side
    198,665.77x = 29,615,644,044.95
  5. Step 5: Solve for x
    x = 29,615,644,044.95/198,665.77
  6. Step 6: Final answer
    x = 149,072.71

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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.