Home / 114,558.20-158,067.96-66,813.56

Finding the Fourth Proportional to 114,558.20, 158,067.96 and 66,813.56

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Solution

The fourth proportional to 114,558.20, 158,067.96 and 66,813.56 is: 92,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,558.20 : 158,067.96 = 66,813.56 : x
  2. Step 2: Convert to fraction form
    114,558.20/158,067.96 = 66,813.56/x
  3. Step 3: Cross multiply
    114,558.20x = 158,067.96 × 66,813.56
  4. Step 4: Simplify right side
    114,558.20x = 10,561,083,129.54
  5. Step 5: Solve for x
    x = 10,561,083,129.54/114,558.20
  6. Step 6: Final answer
    x = 92,189.67

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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.