Home / 132,354.45-198,613.71-53,469.36

Finding the Fourth Proportional to 132,354.45, 198,613.71 and 53,469.36

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Solution

The fourth proportional to 132,354.45, 198,613.71 and 53,469.36 is: 80,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,354.45 : 198,613.71 = 53,469.36 : x
  2. Step 2: Convert to fraction form
    132,354.45/198,613.71 = 53,469.36/x
  3. Step 3: Cross multiply
    132,354.45x = 198,613.71 × 53,469.36
  4. Step 4: Simplify right side
    132,354.45x = 10,619,747,960.93
  5. Step 5: Solve for x
    x = 10,619,747,960.93/132,354.45
  6. Step 6: Final answer
    x = 80,237.18

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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.