Home / 238,028.40-356,793.48-80,202.32

Finding the Fourth Proportional to 238,028.40, 356,793.48 and 80,202.32

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Solution

The fourth proportional to 238,028.40, 356,793.48 and 80,202.32 is: 120,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,028.40 : 356,793.48 = 80,202.32 : x
  2. Step 2: Convert to fraction form
    238,028.40/356,793.48 = 80,202.32/x
  3. Step 3: Cross multiply
    238,028.40x = 356,793.48 × 80,202.32
  4. Step 4: Simplify right side
    238,028.40x = 28,615,664,856.87
  5. Step 5: Solve for x
    x = 28,615,664,856.87/238,028.40
  6. Step 6: Final answer
    x = 120,219.54

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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.