Home / 193,512.25-290,286.72-75,192.73

Finding the Fourth Proportional to 193,512.25, 290,286.72 and 75,192.73

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Solution

The fourth proportional to 193,512.25, 290,286.72 and 75,192.73 is: 112,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,512.25 : 290,286.72 = 75,192.73 : x
  2. Step 2: Convert to fraction form
    193,512.25/290,286.72 = 75,192.73/x
  3. Step 3: Cross multiply
    193,512.25x = 290,286.72 × 75,192.73
  4. Step 4: Simplify right side
    193,512.25x = 21,827,450,959.55
  5. Step 5: Solve for x
    x = 21,827,450,959.55/193,512.25
  6. Step 6: Final answer
    x = 112,796.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.