Home / 166,664.52-229,997.16-91,213.20

Finding the Fourth Proportional to 166,664.52, 229,997.16 and 91,213.20

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Solution

The fourth proportional to 166,664.52, 229,997.16 and 91,213.20 is: 125,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,664.52 : 229,997.16 = 91,213.20 : x
  2. Step 2: Convert to fraction form
    166,664.52/229,997.16 = 91,213.20/x
  3. Step 3: Cross multiply
    166,664.52x = 229,997.16 × 91,213.20
  4. Step 4: Simplify right side
    166,664.52x = 20,978,776,954.51
  5. Step 5: Solve for x
    x = 20,978,776,954.51/166,664.52
  6. Step 6: Final answer
    x = 125,874.28

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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.