Home / 327,442.46-451,860.81-198,457.25

Finding the Fourth Proportional to 327,442.46, 451,860.81 and 198,457.25

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Solution

The fourth proportional to 327,442.46, 451,860.81 and 198,457.25 is: 273,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,442.46 : 451,860.81 = 198,457.25 : x
  2. Step 2: Convert to fraction form
    327,442.46/451,860.81 = 198,457.25/x
  3. Step 3: Cross multiply
    327,442.46x = 451,860.81 × 198,457.25
  4. Step 4: Simplify right side
    327,442.46x = 89,675,053,735.37
  5. Step 5: Solve for x
    x = 89,675,053,735.37/327,442.46
  6. Step 6: Final answer
    x = 273,865.07

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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.