Home / 168,087.44-231,957.68-91,607.20

Finding the Fourth Proportional to 168,087.44, 231,957.68 and 91,607.20

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Solution

The fourth proportional to 168,087.44, 231,957.68 and 91,607.20 is: 126,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,087.44 : 231,957.68 = 91,607.20 : x
  2. Step 2: Convert to fraction form
    168,087.44/231,957.68 = 91,607.20/x
  3. Step 3: Cross multiply
    168,087.44x = 231,957.68 × 91,607.20
  4. Step 4: Simplify right side
    168,087.44x = 21,248,993,583.30
  5. Step 5: Solve for x
    x = 21,248,993,583.30/168,087.44
  6. Step 6: Final answer
    x = 126,416.31

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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.