Home / 122,144.70-183,217.05-92,620.20

Finding the Fourth Proportional to 122,144.70, 183,217.05 and 92,620.20

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Solution

The fourth proportional to 122,144.70, 183,217.05 and 92,620.20 is: 138,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,144.70 : 183,217.05 = 92,620.20 : x
  2. Step 2: Convert to fraction form
    122,144.70/183,217.05 = 92,620.20/x
  3. Step 3: Cross multiply
    122,144.70x = 183,217.05 × 92,620.20
  4. Step 4: Simplify right side
    122,144.70x = 16,969,599,814.41
  5. Step 5: Solve for x
    x = 16,969,599,814.41/122,144.70
  6. Step 6: Final answer
    x = 138,930.30

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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.