Home / 195,388.28-269,508.30-123,693.56

Finding the Fourth Proportional to 195,388.28, 269,508.30 and 123,693.56

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Solution

The fourth proportional to 195,388.28, 269,508.30 and 123,693.56 is: 170,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,388.28 : 269,508.30 = 123,693.56 : x
  2. Step 2: Convert to fraction form
    195,388.28/269,508.30 = 123,693.56/x
  3. Step 3: Cross multiply
    195,388.28x = 269,508.30 × 123,693.56
  4. Step 4: Simplify right side
    195,388.28x = 33,336,441,076.55
  5. Step 5: Solve for x
    x = 33,336,441,076.55/195,388.28
  6. Step 6: Final answer
    x = 170,616.38

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1.5x scale

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.