Home / 198,087.93-273,332.48-113,188.59

Finding the Fourth Proportional to 198,087.93, 273,332.48 and 113,188.59

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Solution

The fourth proportional to 198,087.93, 273,332.48 and 113,188.59 is: 156,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,087.93 : 273,332.48 = 113,188.59 : x
  2. Step 2: Convert to fraction form
    198,087.93/273,332.48 = 113,188.59/x
  3. Step 3: Cross multiply
    198,087.93x = 273,332.48 × 113,188.59
  4. Step 4: Simplify right side
    198,087.93x = 30,938,117,446.46
  5. Step 5: Solve for x
    x = 30,938,117,446.46/198,087.93
  6. Step 6: Final answer
    x = 156,183.76

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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.