Home / 220,744.72-331,166.43-80,503.34

Finding the Fourth Proportional to 220,744.72, 331,166.43 and 80,503.34

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Solution

The fourth proportional to 220,744.72, 331,166.43 and 80,503.34 is: 120,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,744.72 : 331,166.43 = 80,503.34 : x
  2. Step 2: Convert to fraction form
    220,744.72/331,166.43 = 80,503.34/x
  3. Step 3: Cross multiply
    220,744.72x = 331,166.43 × 80,503.34
  4. Step 4: Simplify right side
    220,744.72x = 26,660,003,710.88
  5. Step 5: Solve for x
    x = 26,660,003,710.88/220,744.72
  6. Step 6: Final answer
    x = 120,773.01

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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.