Home / 163,786.43-226,148.45-161,170.73

Finding the Fourth Proportional to 163,786.43, 226,148.45 and 161,170.73

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Solution

The fourth proportional to 163,786.43, 226,148.45 and 161,170.73 is: 222,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,786.43 : 226,148.45 = 161,170.73 : x
  2. Step 2: Convert to fraction form
    163,786.43/226,148.45 = 161,170.73/x
  3. Step 3: Cross multiply
    163,786.43x = 226,148.45 × 161,170.73
  4. Step 4: Simplify right side
    163,786.43x = 36,448,508,838.27
  5. Step 5: Solve for x
    x = 36,448,508,838.27/163,786.43
  6. Step 6: Final answer
    x = 222,536.81

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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.