Home / 231,013.22-318,797.45-134,231.18

Finding the Fourth Proportional to 231,013.22, 318,797.45 and 134,231.18

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Solution

The fourth proportional to 231,013.22, 318,797.45 and 134,231.18 is: 185,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,013.22 : 318,797.45 = 134,231.18 : x
  2. Step 2: Convert to fraction form
    231,013.22/318,797.45 = 134,231.18/x
  3. Step 3: Cross multiply
    231,013.22x = 318,797.45 × 134,231.18
  4. Step 4: Simplify right side
    231,013.22x = 42,792,555,629.35
  5. Step 5: Solve for x
    x = 42,792,555,629.35/231,013.22
  6. Step 6: Final answer
    x = 185,238.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.