Home / 276,664.20-415,190.70-177,066.60

Finding the Fourth Proportional to 276,664.20, 415,190.70 and 177,066.60

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Solution

The fourth proportional to 276,664.20, 415,190.70 and 177,066.60 is: 265,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,664.20 : 415,190.70 = 177,066.60 : x
  2. Step 2: Convert to fraction form
    276,664.20/415,190.70 = 177,066.60/x
  3. Step 3: Cross multiply
    276,664.20x = 415,190.70 × 177,066.60
  4. Step 4: Simplify right side
    276,664.20x = 73,516,405,600.62
  5. Step 5: Solve for x
    x = 73,516,405,600.62/276,664.20
  6. Step 6: Final answer
    x = 265,724.32

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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.