Home / 132,588.37-198,882.57-109,165.60

Finding the Fourth Proportional to 132,588.37, 198,882.57 and 109,165.60

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Solution

The fourth proportional to 132,588.37, 198,882.57 and 109,165.60 is: 163,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.37 : 198,882.57 = 109,165.60 : x
  2. Step 2: Convert to fraction form
    132,588.37/198,882.57 = 109,165.60/x
  3. Step 3: Cross multiply
    132,588.37x = 198,882.57 × 109,165.60
  4. Step 4: Simplify right side
    132,588.37x = 21,711,135,083.59
  5. Step 5: Solve for x
    x = 21,711,135,083.59/132,588.37
  6. Step 6: Final answer
    x = 163,748.41

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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.