Home / 305,983.30-458,974.87-95,621.24

Finding the Fourth Proportional to 305,983.30, 458,974.87 and 95,621.24

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Solution

The fourth proportional to 305,983.30, 458,974.87 and 95,621.24 is: 143,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,983.30 : 458,974.87 = 95,621.24 : x
  2. Step 2: Convert to fraction form
    305,983.30/458,974.87 = 95,621.24/x
  3. Step 3: Cross multiply
    305,983.30x = 458,974.87 × 95,621.24
  4. Step 4: Simplify right side
    305,983.30x = 43,887,743,425.26
  5. Step 5: Solve for x
    x = 43,887,743,425.26/305,983.30
  6. Step 6: Final answer
    x = 143,431.83

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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.