Home / 143,593.83-198,155.97-79,930.26

Finding the Fourth Proportional to 143,593.83, 198,155.97 and 79,930.26

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Solution

The fourth proportional to 143,593.83, 198,155.97 and 79,930.26 is: 110,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,593.83 : 198,155.97 = 79,930.26 : x
  2. Step 2: Convert to fraction form
    143,593.83/198,155.97 = 79,930.26/x
  3. Step 3: Cross multiply
    143,593.83x = 198,155.97 × 79,930.26
  4. Step 4: Simplify right side
    143,593.83x = 15,838,658,202.65
  5. Step 5: Solve for x
    x = 15,838,658,202.65/143,593.83
  6. Step 6: Final answer
    x = 110,301.80

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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.