Home / 132,589.37-198,884.07-109,166.60

Finding the Fourth Proportional to 132,589.37, 198,884.07 and 109,166.60

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Solution

The fourth proportional to 132,589.37, 198,884.07 and 109,166.60 is: 163,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.37 : 198,884.07 = 109,166.60 : x
  2. Step 2: Convert to fraction form
    132,589.37/198,884.07 = 109,166.60/x
  3. Step 3: Cross multiply
    132,589.37x = 198,884.07 × 109,166.60
  4. Step 4: Simplify right side
    132,589.37x = 21,711,497,716.06
  5. Step 5: Solve for x
    x = 21,711,497,716.06/132,589.37
  6. Step 6: Final answer
    x = 163,749.91

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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.