Home / 165,342.91-228,172.27-91,754.60

Finding the Fourth Proportional to 165,342.91, 228,172.27 and 91,754.60

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Solution

The fourth proportional to 165,342.91, 228,172.27 and 91,754.60 is: 126,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,342.91 : 228,172.27 = 91,754.60 : x
  2. Step 2: Convert to fraction form
    165,342.91/228,172.27 = 91,754.60/x
  3. Step 3: Cross multiply
    165,342.91x = 228,172.27 × 91,754.60
  4. Step 4: Simplify right side
    165,342.91x = 20,935,853,994.69
  5. Step 5: Solve for x
    x = 20,935,853,994.69/165,342.91
  6. Step 6: Final answer
    x = 126,620.82

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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.