Home / 269,163.30-403,712.55-111,375.30

Finding the Fourth Proportional to 269,163.30, 403,712.55 and 111,375.30

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Solution

The fourth proportional to 269,163.30, 403,712.55 and 111,375.30 is: 167,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,163.30 : 403,712.55 = 111,375.30 : x
  2. Step 2: Convert to fraction form
    269,163.30/403,712.55 = 111,375.30/x
  3. Step 3: Cross multiply
    269,163.30x = 403,712.55 × 111,375.30
  4. Step 4: Simplify right side
    269,163.30x = 44,963,606,370.02
  5. Step 5: Solve for x
    x = 44,963,606,370.02/269,163.30
  6. Step 6: Final answer
    x = 167,049.54

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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.