Home / 329,123.20-454,191.68-178,220.80

Finding the Fourth Proportional to 329,123.20, 454,191.68 and 178,220.80

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Solution

The fourth proportional to 329,123.20, 454,191.68 and 178,220.80 is: 245,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,123.20 : 454,191.68 = 178,220.80 : x
  2. Step 2: Convert to fraction form
    329,123.20/454,191.68 = 178,220.80/x
  3. Step 3: Cross multiply
    329,123.20x = 454,191.68 × 178,220.80
  4. Step 4: Simplify right side
    329,123.20x = 80,946,404,562.94
  5. Step 5: Solve for x
    x = 80,946,404,562.94/329,123.20
  6. Step 6: Final answer
    x = 245,945.61

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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.