Home / 159,480.20-239,220.30-70,906.70

Finding the Fourth Proportional to 159,480.20, 239,220.30 and 70,906.70

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Solution

The fourth proportional to 159,480.20, 239,220.30 and 70,906.70 is: 106,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480.20 : 239,220.30 = 70,906.70 : x
  2. Step 2: Convert to fraction form
    159,480.20/239,220.30 = 70,906.70/x
  3. Step 3: Cross multiply
    159,480.20x = 239,220.30 × 70,906.70
  4. Step 4: Simplify right side
    159,480.20x = 16,962,322,046.01
  5. Step 5: Solve for x
    x = 16,962,322,046.01/159,480.20
  6. Step 6: Final answer
    x = 106,360.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.