Home / 220,786.64-331,120.50-60,824.48

Finding the Fourth Proportional to 220,786.64, 331,120.50 and 60,824.48

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Solution

The fourth proportional to 220,786.64, 331,120.50 and 60,824.48 is: 91,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786.64 : 331,120.50 = 60,824.48 : x
  2. Step 2: Convert to fraction form
    220,786.64/331,120.50 = 60,824.48/x
  3. Step 3: Cross multiply
    220,786.64x = 331,120.50 × 60,824.48
  4. Step 4: Simplify right side
    220,786.64x = 20,140,232,229.84
  5. Step 5: Solve for x
    x = 20,140,232,229.84/220,786.64
  6. Step 6: Final answer
    x = 91,220.34

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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.