Home / 168,021.67-251,837.50-68,057.55

Finding the Fourth Proportional to 168,021.67, 251,837.50 and 68,057.55

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Solution

The fourth proportional to 168,021.67, 251,837.50 and 68,057.55 is: 102,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,021.67 : 251,837.50 = 68,057.55 : x
  2. Step 2: Convert to fraction form
    168,021.67/251,837.50 = 68,057.55/x
  3. Step 3: Cross multiply
    168,021.67x = 251,837.50 × 68,057.55
  4. Step 4: Simplify right side
    168,021.67x = 17,139,441,988.94
  5. Step 5: Solve for x
    x = 17,139,441,988.94/168,021.67
  6. Step 6: Final answer
    x = 102,007.33

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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.