Home / 198,366.59-273,738.38-107,720.61

Finding the Fourth Proportional to 198,366.59, 273,738.38 and 107,720.61

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Solution

The fourth proportional to 198,366.59, 273,738.38 and 107,720.61 is: 148,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,366.59 : 273,738.38 = 107,720.61 : x
  2. Step 2: Convert to fraction form
    198,366.59/273,738.38 = 107,720.61/x
  3. Step 3: Cross multiply
    198,366.59x = 273,738.38 × 107,720.61
  4. Step 4: Simplify right side
    198,366.59x = 29,487,264,735.41
  5. Step 5: Solve for x
    x = 29,487,264,735.41/198,366.59
  6. Step 6: Final answer
    x = 148,650.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.