Home / 321,910.11-444,231.75-178,667.01

Finding the Fourth Proportional to 321,910.11, 444,231.75 and 178,667.01

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Solution

The fourth proportional to 321,910.11, 444,231.75 and 178,667.01 is: 246,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,910.11 : 444,231.75 = 178,667.01 : x
  2. Step 2: Convert to fraction form
    321,910.11/444,231.75 = 178,667.01/x
  3. Step 3: Cross multiply
    321,910.11x = 444,231.75 × 178,667.01
  4. Step 4: Simplify right side
    321,910.11x = 79,369,558,519.57
  5. Step 5: Solve for x
    x = 79,369,558,519.57/321,910.11
  6. Step 6: Final answer
    x = 246,558.14

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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.