Home / 109,692.54-151,378.56-67,274.46

Finding the Fourth Proportional to 109,692.54, 151,378.56 and 67,274.46

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Solution

The fourth proportional to 109,692.54, 151,378.56 and 67,274.46 is: 92,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,692.54 : 151,378.56 = 67,274.46 : x
  2. Step 2: Convert to fraction form
    109,692.54/151,378.56 = 67,274.46/x
  3. Step 3: Cross multiply
    109,692.54x = 151,378.56 × 67,274.46
  4. Step 4: Simplify right side
    109,692.54x = 10,183,910,879.58
  5. Step 5: Solve for x
    x = 10,183,910,879.58/109,692.54
  6. Step 6: Final answer
    x = 92,840.51

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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.