Home / 196,215.33-270,694.34-123,489.28

Finding the Fourth Proportional to 196,215.33, 270,694.34 and 123,489.28

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Solution

The fourth proportional to 196,215.33, 270,694.34 and 123,489.28 is: 170,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,215.33 : 270,694.34 = 123,489.28 : x
  2. Step 2: Convert to fraction form
    196,215.33/270,694.34 = 123,489.28/x
  3. Step 3: Cross multiply
    196,215.33x = 270,694.34 × 123,489.28
  4. Step 4: Simplify right side
    196,215.33x = 33,427,847,793.20
  5. Step 5: Solve for x
    x = 33,427,847,793.20/196,215.33
  6. Step 6: Final answer
    x = 170,363.08

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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.