Home / 331,328.88-457,279.02-195,401.16

Finding the Fourth Proportional to 331,328.88, 457,279.02 and 195,401.16

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Solution

The fourth proportional to 331,328.88, 457,279.02 and 195,401.16 is: 269,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,328.88 : 457,279.02 = 195,401.16 : x
  2. Step 2: Convert to fraction form
    331,328.88/457,279.02 = 195,401.16/x
  3. Step 3: Cross multiply
    331,328.88x = 457,279.02 × 195,401.16
  4. Step 4: Simplify right side
    331,328.88x = 89,352,850,951.66
  5. Step 5: Solve for x
    x = 89,352,850,951.66/331,328.88
  6. Step 6: Final answer
    x = 269,680.24

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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.