Home / 136,624.64-188,559.28-82,906.56

Finding the Fourth Proportional to 136,624.64, 188,559.28 and 82,906.56

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Solution

The fourth proportional to 136,624.64, 188,559.28 and 82,906.56 is: 114,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,624.64 : 188,559.28 = 82,906.56 : x
  2. Step 2: Convert to fraction form
    136,624.64/188,559.28 = 82,906.56/x
  3. Step 3: Cross multiply
    136,624.64x = 188,559.28 × 82,906.56
  4. Step 4: Simplify right side
    136,624.64x = 15,632,801,260.88
  5. Step 5: Solve for x
    x = 15,632,801,260.88/136,624.64
  6. Step 6: Final answer
    x = 114,421.54

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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.