Home / 327,198.20-451,381.95-191,237.87

Finding the Fourth Proportional to 327,198.20, 451,381.95 and 191,237.87

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Solution

The fourth proportional to 327,198.20, 451,381.95 and 191,237.87 is: 263,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,198.20 : 451,381.95 = 191,237.87 : x
  2. Step 2: Convert to fraction form
    327,198.20/451,381.95 = 191,237.87/x
  3. Step 3: Cross multiply
    327,198.20x = 451,381.95 × 191,237.87
  4. Step 4: Simplify right side
    327,198.20x = 86,321,323,802.90
  5. Step 5: Solve for x
    x = 86,321,323,802.90/327,198.20
  6. Step 6: Final answer
    x = 263,819.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.