Home / 321,884.06-444,179.31-178,644.20

Finding the Fourth Proportional to 321,884.06, 444,179.31 and 178,644.20

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Solution

The fourth proportional to 321,884.06, 444,179.31 and 178,644.20 is: 246,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,884.06 : 444,179.31 = 178,644.20 : x
  2. Step 2: Convert to fraction form
    321,884.06/444,179.31 = 178,644.20/x
  3. Step 3: Cross multiply
    321,884.06x = 444,179.31 × 178,644.20
  4. Step 4: Simplify right side
    321,884.06x = 79,350,057,491.50
  5. Step 5: Solve for x
    x = 79,350,057,491.50/321,884.06
  6. Step 6: Final answer
    x = 246,517.51

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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.