Home / 324,028.50-486,022.11-121,584.66

Finding the Fourth Proportional to 324,028.50, 486,022.11 and 121,584.66

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Solution

The fourth proportional to 324,028.50, 486,022.11 and 121,584.66 is: 182,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,028.50 : 486,022.11 = 121,584.66 : x
  2. Step 2: Convert to fraction form
    324,028.50/486,022.11 = 121,584.66/x
  3. Step 3: Cross multiply
    324,028.50x = 486,022.11 × 121,584.66
  4. Step 4: Simplify right side
    324,028.50x = 59,092,832,996.83
  5. Step 5: Solve for x
    x = 59,092,832,996.83/324,028.50
  6. Step 6: Final answer
    x = 182,369.25

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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.