Home / 328,949.67-453,951.23-178,046.67

Finding the Fourth Proportional to 328,949.67, 453,951.23 and 178,046.67

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Solution

The fourth proportional to 328,949.67, 453,951.23 and 178,046.67 is: 245,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,949.67 : 453,951.23 = 178,046.67 : x
  2. Step 2: Convert to fraction form
    328,949.67/453,951.23 = 178,046.67/x
  3. Step 3: Cross multiply
    328,949.67x = 453,951.23 × 178,046.67
  4. Step 4: Simplify right side
    328,949.67x = 80,824,504,843.90
  5. Step 5: Solve for x
    x = 80,824,504,843.90/328,949.67
  6. Step 6: Final answer
    x = 245,704.78

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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.