Home / 321,903.20-444,281.39-185,912.71

Finding the Fourth Proportional to 321,903.20, 444,281.39 and 185,912.71

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Solution

The fourth proportional to 321,903.20, 444,281.39 and 185,912.71 is: 256,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,903.20 : 444,281.39 = 185,912.71 : x
  2. Step 2: Convert to fraction form
    321,903.20/444,281.39 = 185,912.71/x
  3. Step 3: Cross multiply
    321,903.20x = 444,281.39 × 185,912.71
  4. Step 4: Simplify right side
    321,903.20x = 82,597,557,217.47
  5. Step 5: Solve for x
    x = 82,597,557,217.47/321,903.20
  6. Step 6: Final answer
    x = 256,591.29

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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.