Home / 321,208.25-443,267.17-185,240.23

Finding the Fourth Proportional to 321,208.25, 443,267.17 and 185,240.23

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Solution

The fourth proportional to 321,208.25, 443,267.17 and 185,240.23 is: 255,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,208.25 : 443,267.17 = 185,240.23 : x
  2. Step 2: Convert to fraction form
    321,208.25/443,267.17 = 185,240.23/x
  3. Step 3: Cross multiply
    321,208.25x = 443,267.17 × 185,240.23
  4. Step 4: Simplify right side
    321,208.25x = 82,110,910,950.98
  5. Step 5: Solve for x
    x = 82,110,910,950.98/321,208.25
  6. Step 6: Final answer
    x = 255,631.39

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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.