Home / 193,227.72-289,835.10-68,481.24

Finding the Fourth Proportional to 193,227.72, 289,835.10 and 68,481.24

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Solution

The fourth proportional to 193,227.72, 289,835.10 and 68,481.24 is: 102,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,227.72 : 289,835.10 = 68,481.24 : x
  2. Step 2: Convert to fraction form
    193,227.72/289,835.10 = 68,481.24/x
  3. Step 3: Cross multiply
    193,227.72x = 289,835.10 × 68,481.24
  4. Step 4: Simplify right side
    193,227.72x = 19,848,267,043.52
  5. Step 5: Solve for x
    x = 19,848,267,043.52/193,227.72
  6. Step 6: Final answer
    x = 102,719.56

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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.