Home / 165,315.78-228,138.27-92,734.76

Finding the Fourth Proportional to 165,315.78, 228,138.27 and 92,734.76

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Solution

The fourth proportional to 165,315.78, 228,138.27 and 92,734.76 is: 127,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,315.78 : 228,138.27 = 92,734.76 : x
  2. Step 2: Convert to fraction form
    165,315.78/228,138.27 = 92,734.76/x
  3. Step 3: Cross multiply
    165,315.78x = 228,138.27 × 92,734.76
  4. Step 4: Simplify right side
    165,315.78x = 21,156,347,777.85
  5. Step 5: Solve for x
    x = 21,156,347,777.85/165,315.78
  6. Step 6: Final answer
    x = 127,975.37

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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.