Home / 320,279.20-441,977.52-177,035.56

Finding the Fourth Proportional to 320,279.20, 441,977.52 and 177,035.56

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Solution

The fourth proportional to 320,279.20, 441,977.52 and 177,035.56 is: 244,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,279.20 : 441,977.52 = 177,035.56 : x
  2. Step 2: Convert to fraction form
    320,279.20/441,977.52 = 177,035.56/x
  3. Step 3: Cross multiply
    320,279.20x = 441,977.52 × 177,035.56
  4. Step 4: Simplify right side
    320,279.20x = 78,245,737,760.61
  5. Step 5: Solve for x
    x = 78,245,737,760.61/320,279.20
  6. Step 6: Final answer
    x = 244,304.77

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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.