Home / 188,036.20-282,119.10-82,930.60

Finding the Fourth Proportional to 188,036.20, 282,119.10 and 82,930.60

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Solution

The fourth proportional to 188,036.20, 282,119.10 and 82,930.60 is: 124,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,036.20 : 282,119.10 = 82,930.60 : x
  2. Step 2: Convert to fraction form
    188,036.20/282,119.10 = 82,930.60/x
  3. Step 3: Cross multiply
    188,036.20x = 282,119.10 × 82,930.60
  4. Step 4: Simplify right side
    188,036.20x = 23,396,306,234.46
  5. Step 5: Solve for x
    x = 23,396,306,234.46/188,036.20
  6. Step 6: Final answer
    x = 124,424.48

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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.