Home / 132,372.78-198,596.16-53,542.32

Finding the Fourth Proportional to 132,372.78, 198,596.16 and 53,542.32

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Solution

The fourth proportional to 132,372.78, 198,596.16 and 53,542.32 is: 80,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.78 : 198,596.16 = 53,542.32 : x
  2. Step 2: Convert to fraction form
    132,372.78/198,596.16 = 53,542.32/x
  3. Step 3: Cross multiply
    132,372.78x = 198,596.16 × 53,542.32
  4. Step 4: Simplify right side
    132,372.78x = 10,633,299,149.49
  5. Step 5: Solve for x
    x = 10,633,299,149.49/132,372.78
  6. Step 6: Final answer
    x = 80,328.44

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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.