Home / 220,936.20-331,064.10-164,511.60

Finding the Fourth Proportional to 220,936.20, 331,064.10 and 164,511.60

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Solution

The fourth proportional to 220,936.20, 331,064.10 and 164,511.60 is: 246,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,936.20 : 331,064.10 = 164,511.60 : x
  2. Step 2: Convert to fraction form
    220,936.20/331,064.10 = 164,511.60/x
  3. Step 3: Cross multiply
    220,936.20x = 331,064.10 × 164,511.60
  4. Step 4: Simplify right side
    220,936.20x = 54,463,884,793.56
  5. Step 5: Solve for x
    x = 54,463,884,793.56/220,936.20
  6. Step 6: Final answer
    x = 246,514.08

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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.