Home / 132,399.48-198,487.34-57,462.96

Finding the Fourth Proportional to 132,399.48, 198,487.34 and 57,462.96

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Solution

The fourth proportional to 132,399.48, 198,487.34 and 57,462.96 is: 86,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,399.48 : 198,487.34 = 57,462.96 : x
  2. Step 2: Convert to fraction form
    132,399.48/198,487.34 = 57,462.96/x
  3. Step 3: Cross multiply
    132,399.48x = 198,487.34 × 57,462.96
  4. Step 4: Simplify right side
    132,399.48x = 11,405,670,078.93
  5. Step 5: Solve for x
    x = 11,405,670,078.93/132,399.48
  6. Step 6: Final answer
    x = 86,145.88

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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.