Home / 327,668.44-491,568.24-103,085.36

Finding the Fourth Proportional to 327,668.44, 491,568.24 and 103,085.36

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Solution

The fourth proportional to 327,668.44, 491,568.24 and 103,085.36 is: 154,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,668.44 : 491,568.24 = 103,085.36 : x
  2. Step 2: Convert to fraction form
    327,668.44/491,568.24 = 103,085.36/x
  3. Step 3: Cross multiply
    327,668.44x = 491,568.24 × 103,085.36
  4. Step 4: Simplify right side
    327,668.44x = 50,673,488,984.97
  5. Step 5: Solve for x
    x = 50,673,488,984.97/327,668.44
  6. Step 6: Final answer
    x = 154,648.67

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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.