Home / 198,550.16-274,000.68-107,906.48

Finding the Fourth Proportional to 198,550.16, 274,000.68 and 107,906.48

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Solution

The fourth proportional to 198,550.16, 274,000.68 and 107,906.48 is: 148,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,550.16 : 274,000.68 = 107,906.48 : x
  2. Step 2: Convert to fraction form
    198,550.16/274,000.68 = 107,906.48/x
  3. Step 3: Cross multiply
    198,550.16x = 274,000.68 × 107,906.48
  4. Step 4: Simplify right side
    198,550.16x = 29,566,448,896.41
  5. Step 5: Solve for x
    x = 29,566,448,896.41/198,550.16
  6. Step 6: Final answer
    x = 148,911.74

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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.