Home / 199,976.33-275,984.39-113,961.62

Finding the Fourth Proportional to 199,976.33, 275,984.39 and 113,961.62

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Solution

The fourth proportional to 199,976.33, 275,984.39 and 113,961.62 is: 157,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,976.33 : 275,984.39 = 113,961.62 : x
  2. Step 2: Convert to fraction form
    199,976.33/275,984.39 = 113,961.62/x
  3. Step 3: Cross multiply
    199,976.33x = 275,984.39 × 113,961.62
  4. Step 4: Simplify right side
    199,976.33x = 31,451,627,084.09
  5. Step 5: Solve for x
    x = 31,451,627,084.09/199,976.33
  6. Step 6: Final answer
    x = 157,276.75

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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.