Home / 198,550.04-274,001.20-107,907.54

Finding the Fourth Proportional to 198,550.04, 274,001.20 and 107,907.54

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Solution

The fourth proportional to 198,550.04, 274,001.20 and 107,907.54 is: 148,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,550.04 : 274,001.20 = 107,907.54 : x
  2. Step 2: Convert to fraction form
    198,550.04/274,001.20 = 107,907.54/x
  3. Step 3: Cross multiply
    198,550.04x = 274,001.20 × 107,907.54
  4. Step 4: Simplify right side
    198,550.04x = 29,566,795,449.05
  5. Step 5: Solve for x
    x = 29,566,795,449.05/198,550.04
  6. Step 6: Final answer
    x = 148,913.57

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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.