Home / 136,540.89-204,834.78-41,768.77

Finding the Fourth Proportional to 136,540.89, 204,834.78 and 41,768.77

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Solution

The fourth proportional to 136,540.89, 204,834.78 and 41,768.77 is: 62,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,540.89 : 204,834.78 = 41,768.77 : x
  2. Step 2: Convert to fraction form
    136,540.89/204,834.78 = 41,768.77/x
  3. Step 3: Cross multiply
    136,540.89x = 204,834.78 × 41,768.77
  4. Step 4: Simplify right side
    136,540.89x = 8,555,696,813.82
  5. Step 5: Solve for x
    x = 8,555,696,813.82/136,540.89
  6. Step 6: Final answer
    x = 62,660.33

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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.