Home / 327,191.08-490,792.78-102,546.54

Finding the Fourth Proportional to 327,191.08, 490,792.78 and 102,546.54

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Solution

The fourth proportional to 327,191.08, 490,792.78 and 102,546.54 is: 153,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,191.08 : 490,792.78 = 102,546.54 : x
  2. Step 2: Convert to fraction form
    327,191.08/490,792.78 = 102,546.54/x
  3. Step 3: Cross multiply
    327,191.08x = 490,792.78 × 102,546.54
  4. Step 4: Simplify right side
    327,191.08x = 50,329,101,445.98
  5. Step 5: Solve for x
    x = 50,329,101,445.98/327,191.08
  6. Step 6: Final answer
    x = 153,821.74

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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.