Home / 165,690.77-228,747.44-109,200.56

Finding the Fourth Proportional to 165,690.77, 228,747.44 and 109,200.56

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Solution

The fourth proportional to 165,690.77, 228,747.44 and 109,200.56 is: 150,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,690.77 : 228,747.44 = 109,200.56 : x
  2. Step 2: Convert to fraction form
    165,690.77/228,747.44 = 109,200.56/x
  3. Step 3: Cross multiply
    165,690.77x = 228,747.44 × 109,200.56
  4. Step 4: Simplify right side
    165,690.77x = 24,979,347,675.83
  5. Step 5: Solve for x
    x = 24,979,347,675.83/165,690.77
  6. Step 6: Final answer
    x = 150,758.84

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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.