Home / 321,208.26-443,281.60-177,968.26

Finding the Fourth Proportional to 321,208.26, 443,281.60 and 177,968.26

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Solution

The fourth proportional to 321,208.26, 443,281.60 and 177,968.26 is: 245,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,208.26 : 443,281.60 = 177,968.26 : x
  2. Step 2: Convert to fraction form
    321,208.26/443,281.60 = 177,968.26/x
  3. Step 3: Cross multiply
    321,208.26x = 443,281.60 × 177,968.26
  4. Step 4: Simplify right side
    321,208.26x = 78,890,055,042.02
  5. Step 5: Solve for x
    x = 78,890,055,042.02/321,208.26
  6. Step 6: Final answer
    x = 245,604.07

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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.