Home / 322,139.28-444,540.03-178,908.55

Finding the Fourth Proportional to 322,139.28, 444,540.03 and 178,908.55

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Solution

The fourth proportional to 322,139.28, 444,540.03 and 178,908.55 is: 246,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,139.28 : 444,540.03 = 178,908.55 : x
  2. Step 2: Convert to fraction form
    322,139.28/444,540.03 = 178,908.55/x
  3. Step 3: Cross multiply
    322,139.28x = 444,540.03 × 178,908.55
  4. Step 4: Simplify right side
    322,139.28x = 79,532,011,408.36
  5. Step 5: Solve for x
    x = 79,532,011,408.36/322,139.28
  6. Step 6: Final answer
    x = 246,887.04

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1.5x scale

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.