Home / 132,340.06-198,398.46-57,403.80

Finding the Fourth Proportional to 132,340.06, 198,398.46 and 57,403.80

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Solution

The fourth proportional to 132,340.06, 198,398.46 and 57,403.80 is: 86,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,340.06 : 198,398.46 = 57,403.80 : x
  2. Step 2: Convert to fraction form
    132,340.06/198,398.46 = 57,403.80/x
  3. Step 3: Cross multiply
    132,340.06x = 198,398.46 × 57,403.80
  4. Step 4: Simplify right side
    132,340.06x = 11,388,825,518.15
  5. Step 5: Solve for x
    x = 11,388,825,518.15/132,340.06
  6. Step 6: Final answer
    x = 86,057.28

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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.