Home / 327,277.28-451,648.78-191,322.84

Finding the Fourth Proportional to 327,277.28, 451,648.78 and 191,322.84

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Solution

The fourth proportional to 327,277.28, 451,648.78 and 191,322.84 is: 264,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,277.28 : 451,648.78 = 191,322.84 : x
  2. Step 2: Convert to fraction form
    327,277.28/451,648.78 = 191,322.84/x
  3. Step 3: Cross multiply
    327,277.28x = 451,648.78 × 191,322.84
  4. Step 4: Simplify right side
    327,277.28x = 86,410,727,272.14
  5. Step 5: Solve for x
    x = 86,410,727,272.14/327,277.28
  6. Step 6: Final answer
    x = 264,029.10

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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.