Home / 198,174.42-273,707.82-130,493.94

Finding the Fourth Proportional to 198,174.42, 273,707.82 and 130,493.94

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Solution

The fourth proportional to 198,174.42, 273,707.82 and 130,493.94 is: 180,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,174.42 : 273,707.82 = 130,493.94 : x
  2. Step 2: Convert to fraction form
    198,174.42/273,707.82 = 130,493.94/x
  3. Step 3: Cross multiply
    198,174.42x = 273,707.82 × 130,493.94
  4. Step 4: Simplify right side
    198,174.42x = 35,717,211,840.61
  5. Step 5: Solve for x
    x = 35,717,211,840.61/198,174.42
  6. Step 6: Final answer
    x = 180,231.19

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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.