Home / 132,364.20-198,546.30-109,813.80

Finding the Fourth Proportional to 132,364.20, 198,546.30 and 109,813.80

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Solution

The fourth proportional to 132,364.20, 198,546.30 and 109,813.80 is: 164,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,364.20 : 198,546.30 = 109,813.80 : x
  2. Step 2: Convert to fraction form
    132,364.20/198,546.30 = 109,813.80/x
  3. Step 3: Cross multiply
    132,364.20x = 198,546.30 × 109,813.80
  4. Step 4: Simplify right side
    132,364.20x = 21,803,123,678.94
  5. Step 5: Solve for x
    x = 21,803,123,678.94/132,364.20
  6. Step 6: Final answer
    x = 164,720.70

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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.