Home / 132,138.44-198,214.32-37,375.40

Finding the Fourth Proportional to 132,138.44, 198,214.32 and 37,375.40

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Solution

The fourth proportional to 132,138.44, 198,214.32 and 37,375.40 is: 56,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,138.44 : 198,214.32 = 37,375.40 : x
  2. Step 2: Convert to fraction form
    132,138.44/198,214.32 = 37,375.40/x
  3. Step 3: Cross multiply
    132,138.44x = 198,214.32 × 37,375.40
  4. Step 4: Simplify right side
    132,138.44x = 7,408,339,495.73
  5. Step 5: Solve for x
    x = 7,408,339,495.73/132,138.44
  6. Step 6: Final answer
    x = 56,064.98

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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.