Home / 156,847.20-216,450.51-85,227.22

Finding the Fourth Proportional to 156,847.20, 216,450.51 and 85,227.22

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Solution

The fourth proportional to 156,847.20, 216,450.51 and 85,227.22 is: 117,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,847.20 : 216,450.51 = 85,227.22 : x
  2. Step 2: Convert to fraction form
    156,847.20/216,450.51 = 85,227.22/x
  3. Step 3: Cross multiply
    156,847.20x = 216,450.51 × 85,227.22
  4. Step 4: Simplify right side
    156,847.20x = 18,447,475,305.69
  5. Step 5: Solve for x
    x = 18,447,475,305.69/156,847.20
  6. Step 6: Final answer
    x = 117,614.31

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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.