Home / 198,726.24-274,243.36-108,083.04

Finding the Fourth Proportional to 198,726.24, 274,243.36 and 108,083.04

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Solution

The fourth proportional to 198,726.24, 274,243.36 and 108,083.04 is: 149,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,726.24 : 274,243.36 = 108,083.04 : x
  2. Step 2: Convert to fraction form
    198,726.24/274,243.36 = 108,083.04/x
  3. Step 3: Cross multiply
    198,726.24x = 274,243.36 × 108,083.04
  4. Step 4: Simplify right side
    198,726.24x = 29,641,056,048.61
  5. Step 5: Solve for x
    x = 29,641,056,048.61/198,726.24
  6. Step 6: Final answer
    x = 149,155.22

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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.