Home / 392,213.24-541,231.57-220,115.17

Finding the Fourth Proportional to 392,213.24, 541,231.57 and 220,115.17

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Solution

The fourth proportional to 392,213.24, 541,231.57 and 220,115.17 is: 303,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,213.24 : 541,231.57 = 220,115.17 : x
  2. Step 2: Convert to fraction form
    392,213.24/541,231.57 = 220,115.17/x
  3. Step 3: Cross multiply
    392,213.24x = 541,231.57 × 220,115.17
  4. Step 4: Simplify right side
    392,213.24x = 119,133,279,991.60
  5. Step 5: Solve for x
    x = 119,133,279,991.60/392,213.24
  6. Step 6: Final answer
    x = 303,746.20

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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.