Home / 198,051.42-273,311.10-107,407.38

Finding the Fourth Proportional to 198,051.42, 273,311.10 and 107,407.38

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Solution

The fourth proportional to 198,051.42, 273,311.10 and 107,407.38 is: 148,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,051.42 : 273,311.10 = 107,407.38 : x
  2. Step 2: Convert to fraction form
    198,051.42/273,311.10 = 107,407.38/x
  3. Step 3: Cross multiply
    198,051.42x = 273,311.10 × 107,407.38
  4. Step 4: Simplify right side
    198,051.42x = 29,355,629,175.92
  5. Step 5: Solve for x
    x = 29,355,629,175.92/198,051.42
  6. Step 6: Final answer
    x = 148,222.26

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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.