Home / 165,691.80-248,579.10-53,382.60

Finding the Fourth Proportional to 165,691.80, 248,579.10 and 53,382.60

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Solution

The fourth proportional to 165,691.80, 248,579.10 and 53,382.60 is: 80,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,691.80 : 248,579.10 = 53,382.60 : x
  2. Step 2: Convert to fraction form
    165,691.80/248,579.10 = 53,382.60/x
  3. Step 3: Cross multiply
    165,691.80x = 248,579.10 × 53,382.60
  4. Step 4: Simplify right side
    165,691.80x = 13,269,798,663.66
  5. Step 5: Solve for x
    x = 13,269,798,663.66/165,691.80
  6. Step 6: Final answer
    x = 80,087.24

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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.