Home / 197,822.27-272,994.77-107,178.86

Finding the Fourth Proportional to 197,822.27, 272,994.77 and 107,178.86

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Solution

The fourth proportional to 197,822.27, 272,994.77 and 107,178.86 is: 147,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,822.27 : 272,994.77 = 107,178.86 : x
  2. Step 2: Convert to fraction form
    197,822.27/272,994.77 = 107,178.86/x
  3. Step 3: Cross multiply
    197,822.27x = 272,994.77 × 107,178.86
  4. Step 4: Simplify right side
    197,822.27x = 29,259,268,234.56
  5. Step 5: Solve for x
    x = 29,259,268,234.56/197,822.27
  6. Step 6: Final answer
    x = 147,906.85

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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.