Home / 321,819.21-444,131.37-178,579.62

Finding the Fourth Proportional to 321,819.21, 444,131.37 and 178,579.62

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Solution

The fourth proportional to 321,819.21, 444,131.37 and 178,579.62 is: 246,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,819.21 : 444,131.37 = 178,579.62 : x
  2. Step 2: Convert to fraction form
    321,819.21/444,131.37 = 178,579.62/x
  3. Step 3: Cross multiply
    321,819.21x = 444,131.37 × 178,579.62
  4. Step 4: Simplify right side
    321,819.21x = 79,312,811,284.68
  5. Step 5: Solve for x
    x = 79,312,811,284.68/321,819.21
  6. Step 6: Final answer
    x = 246,451.45

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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.