Home / 321,110.20-443,090.10-185,149.24

Finding the Fourth Proportional to 321,110.20, 443,090.10 and 185,149.24

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Solution

The fourth proportional to 321,110.20, 443,090.10 and 185,149.24 is: 255,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,110.20 : 443,090.10 = 185,149.24 : x
  2. Step 2: Convert to fraction form
    321,110.20/443,090.10 = 185,149.24/x
  3. Step 3: Cross multiply
    321,110.20x = 443,090.10 × 185,149.24
  4. Step 4: Simplify right side
    321,110.20x = 82,037,795,266.52
  5. Step 5: Solve for x
    x = 82,037,795,266.52/321,110.20
  6. Step 6: Final answer
    x = 255,481.75

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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.