Home / 327,610.05-491,391.36-103,034.72

Finding the Fourth Proportional to 327,610.05, 491,391.36 and 103,034.72

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Solution

The fourth proportional to 327,610.05, 491,391.36 and 103,034.72 is: 154,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,610.05 : 491,391.36 = 103,034.72 : x
  2. Step 2: Convert to fraction form
    327,610.05/491,391.36 = 103,034.72/x
  3. Step 3: Cross multiply
    327,610.05x = 491,391.36 × 103,034.72
  4. Step 4: Simplify right side
    327,610.05x = 50,630,368,731.06
  5. Step 5: Solve for x
    x = 50,630,368,731.06/327,610.05
  6. Step 6: Final answer
    x = 154,544.61

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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.