Home / 185,696.87-278,512.37-84,471.35

Finding the Fourth Proportional to 185,696.87, 278,512.37 and 84,471.35

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Solution

The fourth proportional to 185,696.87, 278,512.37 and 84,471.35 is: 126,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,696.87 : 278,512.37 = 84,471.35 : x
  2. Step 2: Convert to fraction form
    185,696.87/278,512.37 = 84,471.35/x
  3. Step 3: Cross multiply
    185,696.87x = 278,512.37 × 84,471.35
  4. Step 4: Simplify right side
    185,696.87x = 23,526,315,463.24
  5. Step 5: Solve for x
    x = 23,526,315,463.24/185,696.87
  6. Step 6: Final answer
    x = 126,692.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.