Home / 198,019.56-273,267.63-107,375.46

Finding the Fourth Proportional to 198,019.56, 273,267.63 and 107,375.46

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Solution

The fourth proportional to 198,019.56, 273,267.63 and 107,375.46 is: 148,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,019.56 : 273,267.63 = 107,375.46 : x
  2. Step 2: Convert to fraction form
    198,019.56/273,267.63 = 107,375.46/x
  3. Step 3: Cross multiply
    198,019.56x = 273,267.63 × 107,375.46
  4. Step 4: Simplify right side
    198,019.56x = 29,342,237,474.36
  5. Step 5: Solve for x
    x = 29,342,237,474.36/198,019.56
  6. Step 6: Final answer
    x = 148,178.48

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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.