Home / 99,452.21-149,183.24-28,385.34

Finding the Fourth Proportional to 99,452.21, 149,183.24 and 28,385.34

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Solution

The fourth proportional to 99,452.21, 149,183.24 and 28,385.34 is: 42,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,452.21 : 149,183.24 = 28,385.34 : x
  2. Step 2: Convert to fraction form
    99,452.21/149,183.24 = 28,385.34/x
  3. Step 3: Cross multiply
    99,452.21x = 149,183.24 × 28,385.34
  4. Step 4: Simplify right side
    99,452.21x = 4,234,616,288.34
  5. Step 5: Solve for x
    x = 4,234,616,288.34/99,452.21
  6. Step 6: Final answer
    x = 42,579.41

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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.