Home / 327,000.81-451,264.10-197,942.25

Finding the Fourth Proportional to 327,000.81, 451,264.10 and 197,942.25

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Solution

The fourth proportional to 327,000.81, 451,264.10 and 197,942.25 is: 273,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,000.81 : 451,264.10 = 197,942.25 : x
  2. Step 2: Convert to fraction form
    327,000.81/451,264.10 = 197,942.25/x
  3. Step 3: Cross multiply
    327,000.81x = 451,264.10 × 197,942.25
  4. Step 4: Simplify right side
    327,000.81x = 89,324,230,308.51
  5. Step 5: Solve for x
    x = 89,324,230,308.51/327,000.81
  6. Step 6: Final answer
    x = 273,162.11

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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.