Home / 167,772.78-231,523.50-91,289.29

Finding the Fourth Proportional to 167,772.78, 231,523.50 and 91,289.29

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Solution

The fourth proportional to 167,772.78, 231,523.50 and 91,289.29 is: 125,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,772.78 : 231,523.50 = 91,289.29 : x
  2. Step 2: Convert to fraction form
    167,772.78/231,523.50 = 91,289.29/x
  3. Step 3: Cross multiply
    167,772.78x = 231,523.50 × 91,289.29
  4. Step 4: Simplify right side
    167,772.78x = 21,135,615,933.32
  5. Step 5: Solve for x
    x = 21,135,615,933.32/167,772.78
  6. Step 6: Final answer
    x = 125,977.62

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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.