Home / 156,847.19-216,450.49-85,227.21

Finding the Fourth Proportional to 156,847.19, 216,450.49 and 85,227.21

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Solution

The fourth proportional to 156,847.19, 216,450.49 and 85,227.21 is: 117,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,847.19 : 216,450.49 = 85,227.21 : x
  2. Step 2: Convert to fraction form
    156,847.19/216,450.49 = 85,227.21/x
  3. Step 3: Cross multiply
    156,847.19x = 216,450.49 × 85,227.21
  4. Step 4: Simplify right side
    156,847.19x = 18,447,471,152.76
  5. Step 5: Solve for x
    x = 18,447,471,152.76/156,847.19
  6. Step 6: Final answer
    x = 117,614.29

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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.