Home / 136,200.44-188,049.20-85,233.77

Finding the Fourth Proportional to 136,200.44, 188,049.20 and 85,233.77

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Solution

The fourth proportional to 136,200.44, 188,049.20 and 85,233.77 is: 117,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,200.44 : 188,049.20 = 85,233.77 : x
  2. Step 2: Convert to fraction form
    136,200.44/188,049.20 = 85,233.77/x
  3. Step 3: Cross multiply
    136,200.44x = 188,049.20 × 85,233.77
  4. Step 4: Simplify right side
    136,200.44x = 16,028,141,600.25
  5. Step 5: Solve for x
    x = 16,028,141,600.25/136,200.44
  6. Step 6: Final answer
    x = 117,680.54

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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.