Home / 320,839.64-442,753.33-177,596.60

Finding the Fourth Proportional to 320,839.64, 442,753.33 and 177,596.60

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Solution

The fourth proportional to 320,839.64, 442,753.33 and 177,596.60 is: 245,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,839.64 : 442,753.33 = 177,596.60 : x
  2. Step 2: Convert to fraction form
    320,839.64/442,753.33 = 177,596.60/x
  3. Step 3: Cross multiply
    320,839.64x = 442,753.33 × 177,596.60
  4. Step 4: Simplify right side
    320,839.64x = 78,631,486,046.68
  5. Step 5: Solve for x
    x = 78,631,486,046.68/320,839.64
  6. Step 6: Final answer
    x = 245,080.33

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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.