Home / 220,764.74-331,196.49-80,523.36

Finding the Fourth Proportional to 220,764.74, 331,196.49 and 80,523.36

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Solution

The fourth proportional to 220,764.74, 331,196.49 and 80,523.36 is: 120,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,764.74 : 331,196.49 = 80,523.36 : x
  2. Step 2: Convert to fraction form
    220,764.74/331,196.49 = 80,523.36/x
  3. Step 3: Cross multiply
    220,764.74x = 331,196.49 × 80,523.36
  4. Step 4: Simplify right side
    220,764.74x = 26,669,053,792.39
  5. Step 5: Solve for x
    x = 26,669,053,792.39/220,764.74
  6. Step 6: Final answer
    x = 120,803.05

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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.