Home / 220,719.56-331,077.60-146,173.32

Finding the Fourth Proportional to 220,719.56, 331,077.60 and 146,173.32

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Solution

The fourth proportional to 220,719.56, 331,077.60 and 146,173.32 is: 219,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,719.56 : 331,077.60 = 146,173.32 : x
  2. Step 2: Convert to fraction form
    220,719.56/331,077.60 = 146,173.32/x
  3. Step 3: Cross multiply
    220,719.56x = 331,077.60 × 146,173.32
  4. Step 4: Simplify right side
    220,719.56x = 48,394,711,969.63
  5. Step 5: Solve for x
    x = 48,394,711,969.63/220,719.56
  6. Step 6: Final answer
    x = 219,258.83

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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.