Home / 167,556.27-251,513.47-67,781.69

Finding the Fourth Proportional to 167,556.27, 251,513.47 and 67,781.69

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Solution

The fourth proportional to 167,556.27, 251,513.47 and 67,781.69 is: 101,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,556.27 : 251,513.47 = 67,781.69 : x
  2. Step 2: Convert to fraction form
    167,556.27/251,513.47 = 67,781.69/x
  3. Step 3: Cross multiply
    167,556.27x = 251,513.47 × 67,781.69
  4. Step 4: Simplify right side
    167,556.27x = 17,048,008,054.36
  5. Step 5: Solve for x
    x = 17,048,008,054.36/167,556.27
  6. Step 6: Final answer
    x = 101,744.97

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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.