Home / 219,786.48-303,014.57-158,481.36

Finding the Fourth Proportional to 219,786.48, 303,014.57 and 158,481.36

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Solution

The fourth proportional to 219,786.48, 303,014.57 and 158,481.36 is: 218,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,786.48 : 303,014.57 = 158,481.36 : x
  2. Step 2: Convert to fraction form
    219,786.48/303,014.57 = 158,481.36/x
  3. Step 3: Cross multiply
    219,786.48x = 303,014.57 × 158,481.36
  4. Step 4: Simplify right side
    219,786.48x = 48,022,160,361.01
  5. Step 5: Solve for x
    x = 48,022,160,361.01/219,786.48
  6. Step 6: Final answer
    x = 218,494.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.