Home / 156,847.37-216,450.74-85,227.39

Finding the Fourth Proportional to 156,847.37, 216,450.74 and 85,227.39

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Solution

The fourth proportional to 156,847.37, 216,450.74 and 85,227.39 is: 117,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,847.37 : 216,450.74 = 85,227.39 : x
  2. Step 2: Convert to fraction form
    156,847.37/216,450.74 = 85,227.39/x
  3. Step 3: Cross multiply
    156,847.37x = 216,450.74 × 85,227.39
  4. Step 4: Simplify right side
    156,847.37x = 18,447,530,395.94
  5. Step 5: Solve for x
    x = 18,447,530,395.94/156,847.37
  6. Step 6: Final answer
    x = 117,614.54

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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.