Home / 321,942.56-444,258.50-178,691.33

Finding the Fourth Proportional to 321,942.56, 444,258.50 and 178,691.33

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Solution

The fourth proportional to 321,942.56, 444,258.50 and 178,691.33 is: 246,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,942.56 : 444,258.50 = 178,691.33 : x
  2. Step 2: Convert to fraction form
    321,942.56/444,258.50 = 178,691.33/x
  3. Step 3: Cross multiply
    321,942.56x = 444,258.50 × 178,691.33
  4. Step 4: Simplify right side
    321,942.56x = 79,385,141,074.35
  5. Step 5: Solve for x
    x = 79,385,141,074.35/321,942.56
  6. Step 6: Final answer
    x = 246,581.69

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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.