Home / 168,556.20-252,664.20-84,186.60

Finding the Fourth Proportional to 168,556.20, 252,664.20 and 84,186.60

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Solution

The fourth proportional to 168,556.20, 252,664.20 and 84,186.60 is: 126,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,556.20 : 252,664.20 = 84,186.60 : x
  2. Step 2: Convert to fraction form
    168,556.20/252,664.20 = 84,186.60/x
  3. Step 3: Cross multiply
    168,556.20x = 252,664.20 × 84,186.60
  4. Step 4: Simplify right side
    168,556.20x = 21,270,939,939.72
  5. Step 5: Solve for x
    x = 21,270,939,939.72/168,556.20
  6. Step 6: Final answer
    x = 126,194.94

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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.