Home / 161,933.82-223,469.82-90,318.48

Finding the Fourth Proportional to 161,933.82, 223,469.82 and 90,318.48

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Solution

The fourth proportional to 161,933.82, 223,469.82 and 90,318.48 is: 124,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,933.82 : 223,469.82 = 90,318.48 : x
  2. Step 2: Convert to fraction form
    161,933.82/223,469.82 = 90,318.48/x
  3. Step 3: Cross multiply
    161,933.82x = 223,469.82 × 90,318.48
  4. Step 4: Simplify right side
    161,933.82x = 20,183,454,468.27
  5. Step 5: Solve for x
    x = 20,183,454,468.27/161,933.82
  6. Step 6: Final answer
    x = 124,640.14

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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.