Home / 171,481.20-236,565.27-111,072

Finding the Fourth Proportional to 171,481.20, 236,565.27 and 111,072

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Solution

The fourth proportional to 171,481.20, 236,565.27 and 111,072 is: 153,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,481.20 : 236,565.27 = 111,072 : x
  2. Step 2: Convert to fraction form
    171,481.20/236,565.27 = 111,072/x
  3. Step 3: Cross multiply
    171,481.20x = 236,565.27 × 111,072
  4. Step 4: Simplify right side
    171,481.20x = 26,275,777,669.44
  5. Step 5: Solve for x
    x = 26,275,777,669.44/171,481.20
  6. Step 6: Final answer
    x = 153,228.33

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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.