Home / 122,122.20-183,183.30-52,008.60

Finding the Fourth Proportional to 122,122.20, 183,183.30 and 52,008.60

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Solution

The fourth proportional to 122,122.20, 183,183.30 and 52,008.60 is: 78,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,122.20 : 183,183.30 = 52,008.60 : x
  2. Step 2: Convert to fraction form
    122,122.20/183,183.30 = 52,008.60/x
  3. Step 3: Cross multiply
    122,122.20x = 183,183.30 × 52,008.60
  4. Step 4: Simplify right side
    122,122.20x = 9,527,106,976.38
  5. Step 5: Solve for x
    x = 9,527,106,976.38/122,122.20
  6. Step 6: Final answer
    x = 78,012.90

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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.