Home / 331,452.72-457,383.20-195,455.48

Finding the Fourth Proportional to 331,452.72, 457,383.20 and 195,455.48

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Solution

The fourth proportional to 331,452.72, 457,383.20 and 195,455.48 is: 269,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,452.72 : 457,383.20 = 195,455.48 : x
  2. Step 2: Convert to fraction form
    331,452.72/457,383.20 = 195,455.48/x
  3. Step 3: Cross multiply
    331,452.72x = 457,383.20 × 195,455.48
  4. Step 4: Simplify right side
    331,452.72x = 89,398,049,635.74
  5. Step 5: Solve for x
    x = 89,398,049,635.74/331,452.72
  6. Step 6: Final answer
    x = 269,715.84

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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.