Home / 132,345.17-198,517.28-57,455.54

Finding the Fourth Proportional to 132,345.17, 198,517.28 and 57,455.54

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Solution

The fourth proportional to 132,345.17, 198,517.28 and 57,455.54 is: 86,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,345.17 : 198,517.28 = 57,455.54 : x
  2. Step 2: Convert to fraction form
    132,345.17/198,517.28 = 57,455.54/x
  3. Step 3: Cross multiply
    132,345.17x = 198,517.28 × 57,455.54
  4. Step 4: Simplify right side
    132,345.17x = 11,405,916,241.87
  5. Step 5: Solve for x
    x = 11,405,916,241.87/132,345.17
  6. Step 6: Final answer
    x = 86,183.10

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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.