Home / 276,579.58-414,969-96,691.54

Finding the Fourth Proportional to 276,579.58, 414,969 and 96,691.54

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Solution

The fourth proportional to 276,579.58, 414,969 and 96,691.54 is: 145,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,579.58 : 414,969 = 96,691.54 : x
  2. Step 2: Convert to fraction form
    276,579.58/414,969 = 96,691.54/x
  3. Step 3: Cross multiply
    276,579.58x = 414,969 × 96,691.54
  4. Step 4: Simplify right side
    276,579.58x = 40,123,991,662.26
  5. Step 5: Solve for x
    x = 40,123,991,662.26/276,579.58
  6. Step 6: Final answer
    x = 145,072.14

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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.