Home / 165,393.28-228,237.31-92,791.77

Finding the Fourth Proportional to 165,393.28, 228,237.31 and 92,791.77

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Solution

The fourth proportional to 165,393.28, 228,237.31 and 92,791.77 is: 128,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,393.28 : 228,237.31 = 92,791.77 : x
  2. Step 2: Convert to fraction form
    165,393.28/228,237.31 = 92,791.77/x
  3. Step 3: Cross multiply
    165,393.28x = 228,237.31 × 92,791.77
  4. Step 4: Simplify right side
    165,393.28x = 21,178,543,974.94
  5. Step 5: Solve for x
    x = 21,178,543,974.94/165,393.28
  6. Step 6: Final answer
    x = 128,049.60

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1.5x scale

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.