Home / 132,334.86-198,390.70-57,398.56

Finding the Fourth Proportional to 132,334.86, 198,390.70 and 57,398.56

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Solution

The fourth proportional to 132,334.86, 198,390.70 and 57,398.56 is: 86,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,334.86 : 198,390.70 = 57,398.56 : x
  2. Step 2: Convert to fraction form
    132,334.86/198,390.70 = 57,398.56/x
  3. Step 3: Cross multiply
    132,334.86x = 198,390.70 × 57,398.56
  4. Step 4: Simplify right side
    132,334.86x = 11,387,340,497.39
  5. Step 5: Solve for x
    x = 11,387,340,497.39/132,334.86
  6. Step 6: Final answer
    x = 86,049.44

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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.