Home / 132,205.48-198,266.16-43,438.52

Finding the Fourth Proportional to 132,205.48, 198,266.16 and 43,438.52

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Solution

The fourth proportional to 132,205.48, 198,266.16 and 43,438.52 is: 65,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,205.48 : 198,266.16 = 43,438.52 : x
  2. Step 2: Convert to fraction form
    132,205.48/198,266.16 = 43,438.52/x
  3. Step 3: Cross multiply
    132,205.48x = 198,266.16 × 43,438.52
  4. Step 4: Simplify right side
    132,205.48x = 8,612,388,556.48
  5. Step 5: Solve for x
    x = 8,612,388,556.48/132,205.48
  6. Step 6: Final answer
    x = 65,143.96

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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.