Home / 331,520.48-457,553.13-195,587.66

Finding the Fourth Proportional to 331,520.48, 457,553.13 and 195,587.66

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Solution

The fourth proportional to 331,520.48, 457,553.13 and 195,587.66 is: 269,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,520.48 : 457,553.13 = 195,587.66 : x
  2. Step 2: Convert to fraction form
    331,520.48/457,553.13 = 195,587.66/x
  3. Step 3: Cross multiply
    331,520.48x = 457,553.13 × 195,587.66
  4. Step 4: Simplify right side
    331,520.48x = 89,491,746,022.38
  5. Step 5: Solve for x
    x = 89,491,746,022.38/331,520.48
  6. Step 6: Final answer
    x = 269,943.34

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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.