Home / 322,629.10-445,226.70-179,380.60

Finding the Fourth Proportional to 322,629.10, 445,226.70 and 179,380.60

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Solution

The fourth proportional to 322,629.10, 445,226.70 and 179,380.60 is: 247,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,629.10 : 445,226.70 = 179,380.60 : x
  2. Step 2: Convert to fraction form
    322,629.10/445,226.70 = 179,380.60/x
  3. Step 3: Cross multiply
    322,629.10x = 445,226.70 × 179,380.60
  4. Step 4: Simplify right side
    322,629.10x = 79,865,032,582.02
  5. Step 5: Solve for x
    x = 79,865,032,582.02/322,629.10
  6. Step 6: Final answer
    x = 247,544.42

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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.