Home / 198,975.62-274,591.28-108,336.49

Finding the Fourth Proportional to 198,975.62, 274,591.28 and 108,336.49

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Solution

The fourth proportional to 198,975.62, 274,591.28 and 108,336.49 is: 149,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,975.62 : 274,591.28 = 108,336.49 : x
  2. Step 2: Convert to fraction form
    198,975.62/274,591.28 = 108,336.49/x
  3. Step 3: Cross multiply
    198,975.62x = 274,591.28 × 108,336.49
  4. Step 4: Simplify right side
    198,975.62x = 29,748,255,044.17
  5. Step 5: Solve for x
    x = 29,748,255,044.17/198,975.62
  6. Step 6: Final answer
    x = 149,507.03

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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.