Home / 198,474.24-297,601.80-103,467.36

Finding the Fourth Proportional to 198,474.24, 297,601.80 and 103,467.36

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Solution

The fourth proportional to 198,474.24, 297,601.80 and 103,467.36 is: 155,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,474.24 : 297,601.80 = 103,467.36 : x
  2. Step 2: Convert to fraction form
    198,474.24/297,601.80 = 103,467.36/x
  3. Step 3: Cross multiply
    198,474.24x = 297,601.80 × 103,467.36
  4. Step 4: Simplify right side
    198,474.24x = 30,792,072,577.25
  5. Step 5: Solve for x
    x = 30,792,072,577.25/198,474.24
  6. Step 6: Final answer
    x = 155,143.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.