Home / 198,910.32-274,471.92-118,341.24

Finding the Fourth Proportional to 198,910.32, 274,471.92 and 118,341.24

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Solution

The fourth proportional to 198,910.32, 274,471.92 and 118,341.24 is: 163,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,910.32 : 274,471.92 = 118,341.24 : x
  2. Step 2: Convert to fraction form
    198,910.32/274,471.92 = 118,341.24/x
  3. Step 3: Cross multiply
    198,910.32x = 274,471.92 × 118,341.24
  4. Step 4: Simplify right side
    198,910.32x = 32,481,347,357.98
  5. Step 5: Solve for x
    x = 32,481,347,357.98/198,910.32
  6. Step 6: Final answer
    x = 163,296.44

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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.