Home / 321,867.39-444,147.64-191,022.47

Finding the Fourth Proportional to 321,867.39, 444,147.64 and 191,022.47

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Solution

The fourth proportional to 321,867.39, 444,147.64 and 191,022.47 is: 263,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,867.39 : 444,147.64 = 191,022.47 : x
  2. Step 2: Convert to fraction form
    321,867.39/444,147.64 = 191,022.47/x
  3. Step 3: Cross multiply
    321,867.39x = 444,147.64 × 191,022.47
  4. Step 4: Simplify right side
    321,867.39x = 84,842,179,237.47
  5. Step 5: Solve for x
    x = 84,842,179,237.47/321,867.39
  6. Step 6: Final answer
    x = 263,593.59

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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.