Home / 136,628.14-188,564.11-82,910.06

Finding the Fourth Proportional to 136,628.14, 188,564.11 and 82,910.06

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Solution

The fourth proportional to 136,628.14, 188,564.11 and 82,910.06 is: 114,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,628.14 : 188,564.11 = 82,910.06 : x
  2. Step 2: Convert to fraction form
    136,628.14/188,564.11 = 82,910.06/x
  3. Step 3: Cross multiply
    136,628.14x = 188,564.11 × 82,910.06
  4. Step 4: Simplify right side
    136,628.14x = 15,633,861,673.95
  5. Step 5: Solve for x
    x = 15,633,861,673.95/136,628.14
  6. Step 6: Final answer
    x = 114,426.37

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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.