Home / 324,936.82-487,217.62-100,236.92

Finding the Fourth Proportional to 324,936.82, 487,217.62 and 100,236.92

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Solution

The fourth proportional to 324,936.82, 487,217.62 and 100,236.92 is: 150,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,936.82 : 487,217.62 = 100,236.92 : x
  2. Step 2: Convert to fraction form
    324,936.82/487,217.62 = 100,236.92/x
  3. Step 3: Cross multiply
    324,936.82x = 487,217.62 × 100,236.92
  4. Step 4: Simplify right side
    324,936.82x = 48,837,193,598.53
  5. Step 5: Solve for x
    x = 48,837,193,598.53/324,936.82
  6. Step 6: Final answer
    x = 150,297.51

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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.