Home / 329,072.20-493,608.30-92,422.60

Finding the Fourth Proportional to 329,072.20, 493,608.30 and 92,422.60

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Solution

The fourth proportional to 329,072.20, 493,608.30 and 92,422.60 is: 138,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,072.20 : 493,608.30 = 92,422.60 : x
  2. Step 2: Convert to fraction form
    329,072.20/493,608.30 = 92,422.60/x
  3. Step 3: Cross multiply
    329,072.20x = 493,608.30 × 92,422.60
  4. Step 4: Simplify right side
    329,072.20x = 45,620,562,467.58
  5. Step 5: Solve for x
    x = 45,620,562,467.58/329,072.20
  6. Step 6: Final answer
    x = 138,633.90

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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.