Home / 327,628.44-491,442.30-103,008.51

Finding the Fourth Proportional to 327,628.44, 491,442.30 and 103,008.51

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Solution

The fourth proportional to 327,628.44, 491,442.30 and 103,008.51 is: 154,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,628.44 : 491,442.30 = 103,008.51 : x
  2. Step 2: Convert to fraction form
    327,628.44/491,442.30 = 103,008.51/x
  3. Step 3: Cross multiply
    327,628.44x = 491,442.30 × 103,008.51
  4. Step 4: Simplify right side
    327,628.44x = 50,622,739,073.97
  5. Step 5: Solve for x
    x = 50,622,739,073.97/327,628.44
  6. Step 6: Final answer
    x = 154,512.65

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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.