Home / 165,221.82-228,017.39-93,602.43

Finding the Fourth Proportional to 165,221.82, 228,017.39 and 93,602.43

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Solution

The fourth proportional to 165,221.82, 228,017.39 and 93,602.43 is: 129,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,221.82 : 228,017.39 = 93,602.43 : x
  2. Step 2: Convert to fraction form
    165,221.82/228,017.39 = 93,602.43/x
  3. Step 3: Cross multiply
    165,221.82x = 228,017.39 × 93,602.43
  4. Step 4: Simplify right side
    165,221.82x = 21,342,981,318.25
  5. Step 5: Solve for x
    x = 21,342,981,318.25/165,221.82
  6. Step 6: Final answer
    x = 129,177.74

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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.