Home / 279,558.24-419,233.68-151,449.12

Finding the Fourth Proportional to 279,558.24, 419,233.68 and 151,449.12

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Solution

The fourth proportional to 279,558.24, 419,233.68 and 151,449.12 is: 227,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,558.24 : 419,233.68 = 151,449.12 : x
  2. Step 2: Convert to fraction form
    279,558.24/419,233.68 = 151,449.12/x
  3. Step 3: Cross multiply
    279,558.24x = 419,233.68 × 151,449.12
  4. Step 4: Simplify right side
    279,558.24x = 63,492,571,910.36
  5. Step 5: Solve for x
    x = 63,492,571,910.36/279,558.24
  6. Step 6: Final answer
    x = 227,117.51

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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.