Home / 198,910.83-274,510.04-114,029.31

Finding the Fourth Proportional to 198,910.83, 274,510.04 and 114,029.31

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Solution

The fourth proportional to 198,910.83, 274,510.04 and 114,029.31 is: 157,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,910.83 : 274,510.04 = 114,029.31 : x
  2. Step 2: Convert to fraction form
    198,910.83/274,510.04 = 114,029.31/x
  3. Step 3: Cross multiply
    198,910.83x = 274,510.04 × 114,029.31
  4. Step 4: Simplify right side
    198,910.83x = 31,302,189,879.13
  5. Step 5: Solve for x
    x = 31,302,189,879.13/198,910.83
  6. Step 6: Final answer
    x = 157,367.95

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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.