Home / 132,270.21-198,197.96-112,467.33

Finding the Fourth Proportional to 132,270.21, 198,197.96 and 112,467.33

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Solution

The fourth proportional to 132,270.21, 198,197.96 and 112,467.33 is: 168,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,270.21 : 198,197.96 = 112,467.33 : x
  2. Step 2: Convert to fraction form
    132,270.21/198,197.96 = 112,467.33/x
  3. Step 3: Cross multiply
    132,270.21x = 198,197.96 × 112,467.33
  4. Step 4: Simplify right side
    132,270.21x = 22,290,794,810.31
  5. Step 5: Solve for x
    x = 22,290,794,810.31/132,270.21
  6. Step 6: Final answer
    x = 168,524.68

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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.