Home / 221,942.43-332,997.48-133,257.76

Finding the Fourth Proportional to 221,942.43, 332,997.48 and 133,257.76

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Solution

The fourth proportional to 221,942.43, 332,997.48 and 133,257.76 is: 199,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,942.43 : 332,997.48 = 133,257.76 : x
  2. Step 2: Convert to fraction form
    221,942.43/332,997.48 = 133,257.76/x
  3. Step 3: Cross multiply
    221,942.43x = 332,997.48 × 133,257.76
  4. Step 4: Simplify right side
    221,942.43x = 44,374,497,437.95
  5. Step 5: Solve for x
    x = 44,374,497,437.95/221,942.43
  6. Step 6: Final answer
    x = 199,936.97

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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.