Home / 132,339.72-198,488.68-109,993.85

Finding the Fourth Proportional to 132,339.72, 198,488.68 and 109,993.85

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Solution

The fourth proportional to 132,339.72, 198,488.68 and 109,993.85 is: 164,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,339.72 : 198,488.68 = 109,993.85 : x
  2. Step 2: Convert to fraction form
    132,339.72/198,488.68 = 109,993.85/x
  3. Step 3: Cross multiply
    132,339.72x = 198,488.68 × 109,993.85
  4. Step 4: Simplify right side
    132,339.72x = 21,832,533,571.52
  5. Step 5: Solve for x
    x = 21,832,533,571.52/132,339.72
  6. Step 6: Final answer
    x = 164,973.40

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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.