Home / 169,738.28-234,396.36-109,449.96

Finding the Fourth Proportional to 169,738.28, 234,396.36 and 109,449.96

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Solution

The fourth proportional to 169,738.28, 234,396.36 and 109,449.96 is: 151,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,738.28 : 234,396.36 = 109,449.96 : x
  2. Step 2: Convert to fraction form
    169,738.28/234,396.36 = 109,449.96/x
  3. Step 3: Cross multiply
    169,738.28x = 234,396.36 × 109,449.96
  4. Step 4: Simplify right side
    169,738.28x = 25,654,672,226.15
  5. Step 5: Solve for x
    x = 25,654,672,226.15/169,738.28
  6. Step 6: Final answer
    x = 151,142.52

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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.