Home / 327,314.45-451,686.84-189,499.17

Finding the Fourth Proportional to 327,314.45, 451,686.84 and 189,499.17

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Solution

The fourth proportional to 327,314.45, 451,686.84 and 189,499.17 is: 261,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,314.45 : 451,686.84 = 189,499.17 : x
  2. Step 2: Convert to fraction form
    327,314.45/451,686.84 = 189,499.17/x
  3. Step 3: Cross multiply
    327,314.45x = 451,686.84 × 189,499.17
  4. Step 4: Simplify right side
    327,314.45x = 85,594,281,279.92
  5. Step 5: Solve for x
    x = 85,594,281,279.92/327,314.45
  6. Step 6: Final answer
    x = 261,504.75

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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.