Home / 165,986.20-248,979.30-41,327.20

Finding the Fourth Proportional to 165,986.20, 248,979.30 and 41,327.20

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Solution

The fourth proportional to 165,986.20, 248,979.30 and 41,327.20 is: 61,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,986.20 : 248,979.30 = 41,327.20 : x
  2. Step 2: Convert to fraction form
    165,986.20/248,979.30 = 41,327.20/x
  3. Step 3: Cross multiply
    165,986.20x = 248,979.30 × 41,327.20
  4. Step 4: Simplify right side
    165,986.20x = 10,289,617,326.96
  5. Step 5: Solve for x
    x = 10,289,617,326.96/165,986.20
  6. Step 6: Final answer
    x = 61,990.80

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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.