Home / 167,857.24-251,732.40-68,042.56

Finding the Fourth Proportional to 167,857.24, 251,732.40 and 68,042.56

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Solution

The fourth proportional to 167,857.24, 251,732.40 and 68,042.56 is: 102,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,857.24 : 251,732.40 = 68,042.56 : x
  2. Step 2: Convert to fraction form
    167,857.24/251,732.40 = 68,042.56/x
  3. Step 3: Cross multiply
    167,857.24x = 251,732.40 × 68,042.56
  4. Step 4: Simplify right side
    167,857.24x = 17,128,516,930.94
  5. Step 5: Solve for x
    x = 17,128,516,930.94/167,857.24
  6. Step 6: Final answer
    x = 102,042.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.