Home / 198,550.52-274,002.40-107,908.28

Finding the Fourth Proportional to 198,550.52, 274,002.40 and 107,908.28

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Solution

The fourth proportional to 198,550.52, 274,002.40 and 107,908.28 is: 148,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,550.52 : 274,002.40 = 107,908.28 : x
  2. Step 2: Convert to fraction form
    198,550.52/274,002.40 = 107,908.28/x
  3. Step 3: Cross multiply
    198,550.52x = 274,002.40 × 107,908.28
  4. Step 4: Simplify right side
    198,550.52x = 29,567,127,699.87
  5. Step 5: Solve for x
    x = 29,567,127,699.87/198,550.52
  6. Step 6: Final answer
    x = 148,914.88

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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.