Home / 132,137.92-198,237.14-57,270.64

Finding the Fourth Proportional to 132,137.92, 198,237.14 and 57,270.64

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Solution

The fourth proportional to 132,137.92, 198,237.14 and 57,270.64 is: 85,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.92 : 198,237.14 = 57,270.64 : x
  2. Step 2: Convert to fraction form
    132,137.92/198,237.14 = 57,270.64/x
  3. Step 3: Cross multiply
    132,137.92x = 198,237.14 × 57,270.64
  4. Step 4: Simplify right side
    132,137.92x = 11,353,167,879.57
  5. Step 5: Solve for x
    x = 11,353,167,879.57/132,137.92
  6. Step 6: Final answer
    x = 85,919.08

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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.