Home / 198,267.26-273,601.40-107,621.27

Finding the Fourth Proportional to 198,267.26, 273,601.40 and 107,621.27

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Solution

The fourth proportional to 198,267.26, 273,601.40 and 107,621.27 is: 148,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,267.26 : 273,601.40 = 107,621.27 : x
  2. Step 2: Convert to fraction form
    198,267.26/273,601.40 = 107,621.27/x
  3. Step 3: Cross multiply
    198,267.26x = 273,601.40 × 107,621.27
  4. Step 4: Simplify right side
    198,267.26x = 29,445,328,235.66
  5. Step 5: Solve for x
    x = 29,445,328,235.66/198,267.26
  6. Step 6: Final answer
    x = 148,513.32

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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.