Home / 198,004.82-273,261.15-113,120.06

Finding the Fourth Proportional to 198,004.82, 273,261.15 and 113,120.06

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Solution

The fourth proportional to 198,004.82, 273,261.15 and 113,120.06 is: 156,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,004.82 : 273,261.15 = 113,120.06 : x
  2. Step 2: Convert to fraction form
    198,004.82/273,261.15 = 113,120.06/x
  3. Step 3: Cross multiply
    198,004.82x = 273,261.15 × 113,120.06
  4. Step 4: Simplify right side
    198,004.82x = 30,911,316,317.36
  5. Step 5: Solve for x
    x = 30,911,316,317.36/198,004.82
  6. Step 6: Final answer
    x = 156,113.96

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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.