Home / 198,470.53-273,890.64-107,826.47

Finding the Fourth Proportional to 198,470.53, 273,890.64 and 107,826.47

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Solution

The fourth proportional to 198,470.53, 273,890.64 and 107,826.47 is: 148,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,470.53 : 273,890.64 = 107,826.47 : x
  2. Step 2: Convert to fraction form
    198,470.53/273,890.64 = 107,826.47/x
  3. Step 3: Cross multiply
    198,470.53x = 273,890.64 × 107,826.47
  4. Step 4: Simplify right side
    198,470.53x = 29,532,660,877.24
  5. Step 5: Solve for x
    x = 29,532,660,877.24/198,470.53
  6. Step 6: Final answer
    x = 148,801.24

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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.