Home / 179,396.82-268,767.04-84,705.21

Finding the Fourth Proportional to 179,396.82, 268,767.04 and 84,705.21

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Solution

The fourth proportional to 179,396.82, 268,767.04 and 84,705.21 is: 126,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,396.82 : 268,767.04 = 84,705.21 : x
  2. Step 2: Convert to fraction form
    179,396.82/268,767.04 = 84,705.21/x
  3. Step 3: Cross multiply
    179,396.82x = 268,767.04 × 84,705.21
  4. Step 4: Simplify right side
    179,396.82x = 22,765,967,008.68
  5. Step 5: Solve for x
    x = 22,765,967,008.68/179,396.82
  6. Step 6: Final answer
    x = 126,902.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.