Home / 445,132.20-667,698.30-164,591.40

Finding the Fourth Proportional to 445,132.20, 667,698.30 and 164,591.40

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Solution

The fourth proportional to 445,132.20, 667,698.30 and 164,591.40 is: 246,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,132.20 : 667,698.30 = 164,591.40 : x
  2. Step 2: Convert to fraction form
    445,132.20/667,698.30 = 164,591.40/x
  3. Step 3: Cross multiply
    445,132.20x = 667,698.30 × 164,591.40
  4. Step 4: Simplify right side
    445,132.20x = 109,897,397,974.62
  5. Step 5: Solve for x
    x = 109,897,397,974.62/445,132.20
  6. Step 6: Final answer
    x = 246,887.10

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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.