Home / 276,799.20-415,393.20-177,201.60

Finding the Fourth Proportional to 276,799.20, 415,393.20 and 177,201.60

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Solution

The fourth proportional to 276,799.20, 415,393.20 and 177,201.60 is: 265,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,799.20 : 415,393.20 = 177,201.60 : x
  2. Step 2: Convert to fraction form
    276,799.20/415,393.20 = 177,201.60/x
  3. Step 3: Cross multiply
    276,799.20x = 415,393.20 × 177,201.60
  4. Step 4: Simplify right side
    276,799.20x = 73,608,339,669.12
  5. Step 5: Solve for x
    x = 73,608,339,669.12/276,799.20
  6. Step 6: Final answer
    x = 265,926.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.