Home / 193,922.96-290,765.28-75,456.16

Finding the Fourth Proportional to 193,922.96, 290,765.28 and 75,456.16

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Solution

The fourth proportional to 193,922.96, 290,765.28 and 75,456.16 is: 113,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,922.96 : 290,765.28 = 75,456.16 : x
  2. Step 2: Convert to fraction form
    193,922.96/290,765.28 = 75,456.16/x
  3. Step 3: Cross multiply
    193,922.96x = 290,765.28 × 75,456.16
  4. Step 4: Simplify right side
    193,922.96x = 21,940,031,490.12
  5. Step 5: Solve for x
    x = 21,940,031,490.12/193,922.96
  6. Step 6: Final answer
    x = 113,137.87

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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.