Home / 221,183.44-305,136.90-140,567.76

Finding the Fourth Proportional to 221,183.44, 305,136.90 and 140,567.76

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Solution

The fourth proportional to 221,183.44, 305,136.90 and 140,567.76 is: 193,922.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,183.44 : 305,136.90 = 140,567.76 : x
  2. Step 2: Convert to fraction form
    221,183.44/305,136.90 = 140,567.76/x
  3. Step 3: Cross multiply
    221,183.44x = 305,136.90 × 140,567.76
  4. Step 4: Simplify right side
    221,183.44x = 42,892,410,526.34
  5. Step 5: Solve for x
    x = 42,892,410,526.34/221,183.44
  6. Step 6: Final answer
    x = 193,922.34

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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.