Home / 327,238.81-451,623.69-199,999.15

Finding the Fourth Proportional to 327,238.81, 451,623.69 and 199,999.15

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Solution

The fourth proportional to 327,238.81, 451,623.69 and 199,999.15 is: 276,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,238.81 : 451,623.69 = 199,999.15 : x
  2. Step 2: Convert to fraction form
    327,238.81/451,623.69 = 199,999.15/x
  3. Step 3: Cross multiply
    327,238.81x = 451,623.69 × 199,999.15
  4. Step 4: Simplify right side
    327,238.81x = 90,324,354,119.86
  5. Step 5: Solve for x
    x = 90,324,354,119.86/327,238.81
  6. Step 6: Final answer
    x = 276,019.69

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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.