Home / 331,979.65-458,028.05-196,061.69

Finding the Fourth Proportional to 331,979.65, 458,028.05 and 196,061.69

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Solution

The fourth proportional to 331,979.65, 458,028.05 and 196,061.69 is: 270,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,979.65 : 458,028.05 = 196,061.69 : x
  2. Step 2: Convert to fraction form
    331,979.65/458,028.05 = 196,061.69/x
  3. Step 3: Cross multiply
    331,979.65x = 458,028.05 × 196,061.69
  4. Step 4: Simplify right side
    331,979.65x = 89,801,753,715.17
  5. Step 5: Solve for x
    x = 89,801,753,715.17/331,979.65
  6. Step 6: Final answer
    x = 270,503.79

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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.