Home / 109,974.54-151,757.24-64,654.43

Finding the Fourth Proportional to 109,974.54, 151,757.24 and 64,654.43

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Solution

The fourth proportional to 109,974.54, 151,757.24 and 64,654.43 is: 89,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,974.54 : 151,757.24 = 64,654.43 : x
  2. Step 2: Convert to fraction form
    109,974.54/151,757.24 = 64,654.43/x
  3. Step 3: Cross multiply
    109,974.54x = 151,757.24 × 64,654.43
  4. Step 4: Simplify right side
    109,974.54x = 9,811,777,906.69
  5. Step 5: Solve for x
    x = 9,811,777,906.69/109,974.54
  6. Step 6: Final answer
    x = 89,218.63

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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.