Home / 320,822.12-481,196.24-84,183.25

Finding the Fourth Proportional to 320,822.12, 481,196.24 and 84,183.25

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Solution

The fourth proportional to 320,822.12, 481,196.24 and 84,183.25 is: 126,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,822.12 : 481,196.24 = 84,183.25 : x
  2. Step 2: Convert to fraction form
    320,822.12/481,196.24 = 84,183.25/x
  3. Step 3: Cross multiply
    320,822.12x = 481,196.24 × 84,183.25
  4. Step 4: Simplify right side
    320,822.12x = 40,508,663,438.53
  5. Step 5: Solve for x
    x = 40,508,663,438.53/320,822.12
  6. Step 6: Final answer
    x = 126,265.18

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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.