Home / 188,046.20-282,134.10-82,940.60

Finding the Fourth Proportional to 188,046.20, 282,134.10 and 82,940.60

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Solution

The fourth proportional to 188,046.20, 282,134.10 and 82,940.60 is: 124,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,046.20 : 282,134.10 = 82,940.60 : x
  2. Step 2: Convert to fraction form
    188,046.20/282,134.10 = 82,940.60/x
  3. Step 3: Cross multiply
    188,046.20x = 282,134.10 × 82,940.60
  4. Step 4: Simplify right side
    188,046.20x = 23,400,371,534.46
  5. Step 5: Solve for x
    x = 23,400,371,534.46/188,046.20
  6. Step 6: Final answer
    x = 124,439.48

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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.