Home / 136,930.22-205,408.38-37,091.48

Finding the Fourth Proportional to 136,930.22, 205,408.38 and 37,091.48

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Solution

The fourth proportional to 136,930.22, 205,408.38 and 37,091.48 is: 55,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,930.22 : 205,408.38 = 37,091.48 : x
  2. Step 2: Convert to fraction form
    136,930.22/205,408.38 = 37,091.48/x
  3. Step 3: Cross multiply
    136,930.22x = 205,408.38 × 37,091.48
  4. Step 4: Simplify right side
    136,930.22x = 7,618,900,818.60
  5. Step 5: Solve for x
    x = 7,618,900,818.60/136,930.22
  6. Step 6: Final answer
    x = 55,640.75

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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.