Home / 163,930.26-226,217.64-91,331.43

Finding the Fourth Proportional to 163,930.26, 226,217.64 and 91,331.43

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Solution

The fourth proportional to 163,930.26, 226,217.64 and 91,331.43 is: 126,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,930.26 : 226,217.64 = 91,331.43 : x
  2. Step 2: Convert to fraction form
    163,930.26/226,217.64 = 91,331.43/x
  3. Step 3: Cross multiply
    163,930.26x = 226,217.64 × 91,331.43
  4. Step 4: Simplify right side
    163,930.26x = 20,660,780,552.43
  5. Step 5: Solve for x
    x = 20,660,780,552.43/163,930.26
  6. Step 6: Final answer
    x = 126,033.96

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1.5x scale

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.