Home / 136,138.23-204,217.07-36,297.90

Finding the Fourth Proportional to 136,138.23, 204,217.07 and 36,297.90

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Solution

The fourth proportional to 136,138.23, 204,217.07 and 36,297.90 is: 54,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,138.23 : 204,217.07 = 36,297.90 : x
  2. Step 2: Convert to fraction form
    136,138.23/204,217.07 = 36,297.90/x
  3. Step 3: Cross multiply
    136,138.23x = 204,217.07 × 36,297.90
  4. Step 4: Simplify right side
    136,138.23x = 7,412,650,603.66
  5. Step 5: Solve for x
    x = 7,412,650,603.66/136,138.23
  6. Step 6: Final answer
    x = 54,449.44

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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.