Home / 445,286.70-667,930.05-164,913.30

Finding the Fourth Proportional to 445,286.70, 667,930.05 and 164,913.30

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Solution

The fourth proportional to 445,286.70, 667,930.05 and 164,913.30 is: 247,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,286.70 : 667,930.05 = 164,913.30 : x
  2. Step 2: Convert to fraction form
    445,286.70/667,930.05 = 164,913.30/x
  3. Step 3: Cross multiply
    445,286.70x = 667,930.05 × 164,913.30
  4. Step 4: Simplify right side
    445,286.70x = 110,150,548,714.67
  5. Step 5: Solve for x
    x = 110,150,548,714.67/445,286.70
  6. Step 6: Final answer
    x = 247,369.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.