Home / 165,781.35-248,768.48-69,711.64

Finding the Fourth Proportional to 165,781.35, 248,768.48 and 69,711.64

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Solution

The fourth proportional to 165,781.35, 248,768.48 and 69,711.64 is: 104,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,781.35 : 248,768.48 = 69,711.64 : x
  2. Step 2: Convert to fraction form
    165,781.35/248,768.48 = 69,711.64/x
  3. Step 3: Cross multiply
    165,781.35x = 248,768.48 × 69,711.64
  4. Step 4: Simplify right side
    165,781.35x = 17,342,058,273.47
  5. Step 5: Solve for x
    x = 17,342,058,273.47/165,781.35
  6. Step 6: Final answer
    x = 104,608.02

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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.