Home / 163,845-226,091.70-91,242.41

Finding the Fourth Proportional to 163,845, 226,091.70 and 91,242.41

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Solution

The fourth proportional to 163,845, 226,091.70 and 91,242.41 is: 125,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,845 : 226,091.70 = 91,242.41 : x
  2. Step 2: Convert to fraction form
    163,845/226,091.70 = 91,242.41/x
  3. Step 3: Cross multiply
    163,845x = 226,091.70 × 91,242.41
  4. Step 4: Simplify right side
    163,845x = 20,629,150,458.54
  5. Step 5: Solve for x
    x = 20,629,150,458.54/163,845
  6. Step 6: Final answer
    x = 125,906.50

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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.