Home / 321,884.28-444,191.85-178,640.64

Finding the Fourth Proportional to 321,884.28, 444,191.85 and 178,640.64

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Solution

The fourth proportional to 321,884.28, 444,191.85 and 178,640.64 is: 246,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,884.28 : 444,191.85 = 178,640.64 : x
  2. Step 2: Convert to fraction form
    321,884.28/444,191.85 = 178,640.64/x
  3. Step 3: Cross multiply
    321,884.28x = 444,191.85 × 178,640.64
  4. Step 4: Simplify right side
    321,884.28x = 79,350,716,366.78
  5. Step 5: Solve for x
    x = 79,350,716,366.78/321,884.28
  6. Step 6: Final answer
    x = 246,519.39

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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.