Home / 199,189.28-274,877.78-108,546.02

Finding the Fourth Proportional to 199,189.28, 274,877.78 and 108,546.02

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Solution

The fourth proportional to 199,189.28, 274,877.78 and 108,546.02 is: 149,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,189.28 : 274,877.78 = 108,546.02 : x
  2. Step 2: Convert to fraction form
    199,189.28/274,877.78 = 108,546.02/x
  3. Step 3: Cross multiply
    199,189.28x = 274,877.78 × 108,546.02
  4. Step 4: Simplify right side
    199,189.28x = 29,836,889,964.00
  5. Step 5: Solve for x
    x = 29,836,889,964.00/199,189.28
  6. Step 6: Final answer
    x = 149,791.65

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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.