Home / 132,584.75-198,877.12-109,161.98

Finding the Fourth Proportional to 132,584.75, 198,877.12 and 109,161.98

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Solution

The fourth proportional to 132,584.75, 198,877.12 and 109,161.98 is: 163,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,584.75 : 198,877.12 = 109,161.98 : x
  2. Step 2: Convert to fraction form
    132,584.75/198,877.12 = 109,161.98/x
  3. Step 3: Cross multiply
    132,584.75x = 198,877.12 × 109,161.98
  4. Step 4: Simplify right side
    132,584.75x = 21,709,820,288.43
  5. Step 5: Solve for x
    x = 21,709,820,288.43/132,584.75
  6. Step 6: Final answer
    x = 163,742.97

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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.