Home / 321,140.24-443,220.73-185,147.61

Finding the Fourth Proportional to 321,140.24, 443,220.73 and 185,147.61

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Solution

The fourth proportional to 321,140.24, 443,220.73 and 185,147.61 is: 255,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,140.24 : 443,220.73 = 185,147.61 : x
  2. Step 2: Convert to fraction form
    321,140.24/443,220.73 = 185,147.61/x
  3. Step 3: Cross multiply
    321,140.24x = 443,220.73 × 185,147.61
  4. Step 4: Simplify right side
    321,140.24x = 82,061,256,645.85
  5. Step 5: Solve for x
    x = 82,061,256,645.85/321,140.24
  6. Step 6: Final answer
    x = 255,530.91

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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.