Home / 156,867.43-216,476.22-85,247.73

Finding the Fourth Proportional to 156,867.43, 216,476.22 and 85,247.73

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Solution

The fourth proportional to 156,867.43, 216,476.22 and 85,247.73 is: 117,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,867.43 : 216,476.22 = 85,247.73 : x
  2. Step 2: Convert to fraction form
    156,867.43/216,476.22 = 85,247.73/x
  3. Step 3: Cross multiply
    156,867.43x = 216,476.22 × 85,247.73
  4. Step 4: Simplify right side
    156,867.43x = 18,454,106,353.98
  5. Step 5: Solve for x
    x = 18,454,106,353.98/156,867.43
  6. Step 6: Final answer
    x = 117,641.42

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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.