Home / 222,439.20-307,105.54-171,355.74

Finding the Fourth Proportional to 222,439.20, 307,105.54 and 171,355.74

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Solution

The fourth proportional to 222,439.20, 307,105.54 and 171,355.74 is: 236,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,439.20 : 307,105.54 = 171,355.74 : x
  2. Step 2: Convert to fraction form
    222,439.20/307,105.54 = 171,355.74/x
  3. Step 3: Cross multiply
    222,439.20x = 307,105.54 × 171,355.74
  4. Step 4: Simplify right side
    222,439.20x = 52,624,297,064.80
  5. Step 5: Solve for x
    x = 52,624,297,064.80/222,439.20
  6. Step 6: Final answer
    x = 236,578.34

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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.