Home / 303,949.16-419,451.24-166,130.92

Finding the Fourth Proportional to 303,949.16, 419,451.24 and 166,130.92

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Solution

The fourth proportional to 303,949.16, 419,451.24 and 166,130.92 is: 229,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,949.16 : 419,451.24 = 166,130.92 : x
  2. Step 2: Convert to fraction form
    303,949.16/419,451.24 = 166,130.92/x
  3. Step 3: Cross multiply
    303,949.16x = 419,451.24 × 166,130.92
  4. Step 4: Simplify right side
    303,949.16x = 69,683,821,321.62
  5. Step 5: Solve for x
    x = 69,683,821,321.62/303,949.16
  6. Step 6: Final answer
    x = 229,261.44

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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.