Home / 132,339.54-198,397.68-57,403.24

Finding the Fourth Proportional to 132,339.54, 198,397.68 and 57,403.24

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Solution

The fourth proportional to 132,339.54, 198,397.68 and 57,403.24 is: 86,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,339.54 : 198,397.68 = 57,403.24 : x
  2. Step 2: Convert to fraction form
    132,339.54/198,397.68 = 57,403.24/x
  3. Step 3: Cross multiply
    132,339.54x = 198,397.68 × 57,403.24
  4. Step 4: Simplify right side
    132,339.54x = 11,388,669,640.48
  5. Step 5: Solve for x
    x = 11,388,669,640.48/132,339.54
  6. Step 6: Final answer
    x = 86,056.44

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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.