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Finding the Fourth Proportional to 143,136.60, 214,704.90 and 110,023.80

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Solution

The fourth proportional to 143,136.60, 214,704.90 and 110,023.80 is: 165,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,136.60 : 214,704.90 = 110,023.80 : x
  2. Step 2: Convert to fraction form
    143,136.60/214,704.90 = 110,023.80/x
  3. Step 3: Cross multiply
    143,136.60x = 214,704.90 × 110,023.80
  4. Step 4: Simplify right side
    143,136.60x = 23,622,648,976.62
  5. Step 5: Solve for x
    x = 23,622,648,976.62/143,136.60
  6. Step 6: Final answer
    x = 165,035.70

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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.