Home / 392,438.20-589,007.22-182,194.60

Finding the Fourth Proportional to 392,438.20, 589,007.22 and 182,194.60

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Solution

The fourth proportional to 392,438.20, 589,007.22 and 182,194.60 is: 273,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,438.20 : 589,007.22 = 182,194.60 : x
  2. Step 2: Convert to fraction form
    392,438.20/589,007.22 = 182,194.60/x
  3. Step 3: Cross multiply
    392,438.20x = 589,007.22 × 182,194.60
  4. Step 4: Simplify right side
    392,438.20x = 107,313,934,845.01
  5. Step 5: Solve for x
    x = 107,313,934,845.01/392,438.20
  6. Step 6: Final answer
    x = 273,454.35

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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.