Home / 199,128.44-274,807.50-109,704.44

Finding the Fourth Proportional to 199,128.44, 274,807.50 and 109,704.44

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Solution

The fourth proportional to 199,128.44, 274,807.50 and 109,704.44 is: 151,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,128.44 : 274,807.50 = 109,704.44 : x
  2. Step 2: Convert to fraction form
    199,128.44/274,807.50 = 109,704.44/x
  3. Step 3: Cross multiply
    199,128.44x = 274,807.50 × 109,704.44
  4. Step 4: Simplify right side
    199,128.44x = 30,147,602,895.30
  5. Step 5: Solve for x
    x = 30,147,602,895.30/199,128.44
  6. Step 6: Final answer
    x = 151,397.78

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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.