Home / 320,836.64-442,749.19-177,593.60

Finding the Fourth Proportional to 320,836.64, 442,749.19 and 177,593.60

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Solution

The fourth proportional to 320,836.64, 442,749.19 and 177,593.60 is: 245,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,836.64 : 442,749.19 = 177,593.60 : x
  2. Step 2: Convert to fraction form
    320,836.64/442,749.19 = 177,593.60/x
  3. Step 3: Cross multiply
    320,836.64x = 442,749.19 × 177,593.60
  4. Step 4: Simplify right side
    320,836.64x = 78,629,422,549.18
  5. Step 5: Solve for x
    x = 78,629,422,549.18/320,836.64
  6. Step 6: Final answer
    x = 245,076.19

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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.