Home / 136,286.37-188,099.96-82,617.39

Finding the Fourth Proportional to 136,286.37, 188,099.96 and 82,617.39

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Solution

The fourth proportional to 136,286.37, 188,099.96 and 82,617.39 is: 114,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,286.37 : 188,099.96 = 82,617.39 : x
  2. Step 2: Convert to fraction form
    136,286.37/188,099.96 = 82,617.39/x
  3. Step 3: Cross multiply
    136,286.37x = 188,099.96 × 82,617.39
  4. Step 4: Simplify right side
    136,286.37x = 15,540,327,341.22
  5. Step 5: Solve for x
    x = 15,540,327,341.22/136,286.37
  6. Step 6: Final answer
    x = 114,027.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.