Home / 136,262.34-188,046.09-82,557.18

Finding the Fourth Proportional to 136,262.34, 188,046.09 and 82,557.18

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Solution

The fourth proportional to 136,262.34, 188,046.09 and 82,557.18 is: 113,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,262.34 : 188,046.09 = 82,557.18 : x
  2. Step 2: Convert to fraction form
    136,262.34/188,046.09 = 82,557.18/x
  3. Step 3: Cross multiply
    136,262.34x = 188,046.09 × 82,557.18
  4. Step 4: Simplify right side
    136,262.34x = 15,524,554,900.43
  5. Step 5: Solve for x
    x = 15,524,554,900.43/136,262.34
  6. Step 6: Final answer
    x = 113,931.37

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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.