Home / 198,574.75-274,033.16-109,150.75

Finding the Fourth Proportional to 198,574.75, 274,033.16 and 109,150.75

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Solution

The fourth proportional to 198,574.75, 274,033.16 and 109,150.75 is: 150,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,574.75 : 274,033.16 = 109,150.75 : x
  2. Step 2: Convert to fraction form
    198,574.75/274,033.16 = 109,150.75/x
  3. Step 3: Cross multiply
    198,574.75x = 274,033.16 × 109,150.75
  4. Step 4: Simplify right side
    198,574.75x = 29,910,924,938.87
  5. Step 5: Solve for x
    x = 29,910,924,938.87/198,574.75
  6. Step 6: Final answer
    x = 150,628.04

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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.