Home / 136,351.26-204,512.58-36,521.76

Finding the Fourth Proportional to 136,351.26, 204,512.58 and 36,521.76

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Solution

The fourth proportional to 136,351.26, 204,512.58 and 36,521.76 is: 54,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,351.26 : 204,512.58 = 36,521.76 : x
  2. Step 2: Convert to fraction form
    136,351.26/204,512.58 = 36,521.76/x
  3. Step 3: Cross multiply
    136,351.26x = 204,512.58 × 36,521.76
  4. Step 4: Simplify right side
    136,351.26x = 7,469,159,363.74
  5. Step 5: Solve for x
    x = 7,469,159,363.74/136,351.26
  6. Step 6: Final answer
    x = 54,778.81

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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.