Home / 168,845.45-231,786.59-144,930.60

Finding the Fourth Proportional to 168,845.45, 231,786.59 and 144,930.60

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Solution

The fourth proportional to 168,845.45, 231,786.59 and 144,930.60 is: 198,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,845.45 : 231,786.59 = 144,930.60 : x
  2. Step 2: Convert to fraction form
    168,845.45/231,786.59 = 144,930.60/x
  3. Step 3: Cross multiply
    168,845.45x = 231,786.59 × 144,930.60
  4. Step 4: Simplify right side
    168,845.45x = 33,592,968,836.00
  5. Step 5: Solve for x
    x = 33,592,968,836.00/168,845.45
  6. Step 6: Final answer
    x = 198,956.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.