Home / 331,351.55-457,243.39-195,378.92

Finding the Fourth Proportional to 331,351.55, 457,243.39 and 195,378.92

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Solution

The fourth proportional to 331,351.55, 457,243.39 and 195,378.92 is: 269,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,351.55 : 457,243.39 = 195,378.92 : x
  2. Step 2: Convert to fraction form
    331,351.55/457,243.39 = 195,378.92/x
  3. Step 3: Cross multiply
    331,351.55x = 457,243.39 × 195,378.92
  4. Step 4: Simplify right side
    331,351.55x = 89,335,719,715.34
  5. Step 5: Solve for x
    x = 89,335,719,715.34/331,351.55
  6. Step 6: Final answer
    x = 269,610.09

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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.