Home / 168,054.48-231,921.04-91,579.87

Finding the Fourth Proportional to 168,054.48, 231,921.04 and 91,579.87

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Solution

The fourth proportional to 168,054.48, 231,921.04 and 91,579.87 is: 126,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.48 : 231,921.04 = 91,579.87 : x
  2. Step 2: Convert to fraction form
    168,054.48/231,921.04 = 91,579.87/x
  3. Step 3: Cross multiply
    168,054.48x = 231,921.04 × 91,579.87
  4. Step 4: Simplify right side
    168,054.48x = 21,239,298,235.57
  5. Step 5: Solve for x
    x = 21,239,298,235.57/168,054.48
  6. Step 6: Final answer
    x = 126,383.41

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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.