Home / 165,724.71-228,691.99-94,103.20

Finding the Fourth Proportional to 165,724.71, 228,691.99 and 94,103.20

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Solution

The fourth proportional to 165,724.71, 228,691.99 and 94,103.20 is: 129,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,724.71 : 228,691.99 = 94,103.20 : x
  2. Step 2: Convert to fraction form
    165,724.71/228,691.99 = 94,103.20/x
  3. Step 3: Cross multiply
    165,724.71x = 228,691.99 × 94,103.20
  4. Step 4: Simplify right side
    165,724.71x = 21,520,648,073.37
  5. Step 5: Solve for x
    x = 21,520,648,073.37/165,724.71
  6. Step 6: Final answer
    x = 129,857.81

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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.