Home / 132,270.72-198,198.70-112,467.84

Finding the Fourth Proportional to 132,270.72, 198,198.70 and 112,467.84

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Solution

The fourth proportional to 132,270.72, 198,198.70 and 112,467.84 is: 168,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,270.72 : 198,198.70 = 112,467.84 : x
  2. Step 2: Convert to fraction form
    132,270.72/198,198.70 = 112,467.84/x
  3. Step 3: Cross multiply
    132,270.72x = 198,198.70 × 112,467.84
  4. Step 4: Simplify right side
    132,270.72x = 22,290,979,679.81
  5. Step 5: Solve for x
    x = 22,290,979,679.81/132,270.72
  6. Step 6: Final answer
    x = 168,525.43

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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.