Home / 168,221.55-252,333.27-49,893.78

Finding the Fourth Proportional to 168,221.55, 252,333.27 and 49,893.78

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Solution

The fourth proportional to 168,221.55, 252,333.27 and 49,893.78 is: 74,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,221.55 : 252,333.27 = 49,893.78 : x
  2. Step 2: Convert to fraction form
    168,221.55/252,333.27 = 49,893.78/x
  3. Step 3: Cross multiply
    168,221.55x = 252,333.27 × 49,893.78
  4. Step 4: Simplify right side
    168,221.55x = 12,589,860,660.06
  5. Step 5: Solve for x
    x = 12,589,860,660.06/168,221.55
  6. Step 6: Final answer
    x = 74,840.95

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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.