Home / 327,239.81-451,625.07-200,000.15

Finding the Fourth Proportional to 327,239.81, 451,625.07 and 200,000.15

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Solution

The fourth proportional to 327,239.81, 451,625.07 and 200,000.15 is: 276,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,239.81 : 451,625.07 = 200,000.15 : x
  2. Step 2: Convert to fraction form
    327,239.81/451,625.07 = 200,000.15/x
  3. Step 3: Cross multiply
    327,239.81x = 451,625.07 × 200,000.15
  4. Step 4: Simplify right side
    327,239.81x = 90,325,081,743.76
  5. Step 5: Solve for x
    x = 90,325,081,743.76/327,239.81
  6. Step 6: Final answer
    x = 276,021.07

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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.