Home / 165,695.52-228,659.82-90,244.02

Finding the Fourth Proportional to 165,695.52, 228,659.82 and 90,244.02

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Solution

The fourth proportional to 165,695.52, 228,659.82 and 90,244.02 is: 124,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,695.52 : 228,659.82 = 90,244.02 : x
  2. Step 2: Convert to fraction form
    165,695.52/228,659.82 = 90,244.02/x
  3. Step 3: Cross multiply
    165,695.52x = 228,659.82 × 90,244.02
  4. Step 4: Simplify right side
    165,695.52x = 20,635,181,369.28
  5. Step 5: Solve for x
    x = 20,635,181,369.28/165,695.52
  6. Step 6: Final answer
    x = 124,536.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.