Home / 132,398.67-198,485.99-57,462.13

Finding the Fourth Proportional to 132,398.67, 198,485.99 and 57,462.13

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Solution

The fourth proportional to 132,398.67, 198,485.99 and 57,462.13 is: 86,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,398.67 : 198,485.99 = 57,462.13 : x
  2. Step 2: Convert to fraction form
    132,398.67/198,485.99 = 57,462.13/x
  3. Step 3: Cross multiply
    132,398.67x = 198,485.99 × 57,462.13
  4. Step 4: Simplify right side
    132,398.67x = 11,405,427,760.56
  5. Step 5: Solve for x
    x = 11,405,427,760.56/132,398.67
  6. Step 6: Final answer
    x = 86,144.58

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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.