Home / 327,159.26-490,739-102,537.12

Finding the Fourth Proportional to 327,159.26, 490,739 and 102,537.12

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Solution

The fourth proportional to 327,159.26, 490,739 and 102,537.12 is: 153,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,159.26 : 490,739 = 102,537.12 : x
  2. Step 2: Convert to fraction form
    327,159.26/490,739 = 102,537.12/x
  3. Step 3: Cross multiply
    327,159.26x = 490,739 × 102,537.12
  4. Step 4: Simplify right side
    327,159.26x = 50,318,963,731.68
  5. Step 5: Solve for x
    x = 50,318,963,731.68/327,159.26
  6. Step 6: Final answer
    x = 153,805.71

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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.