Home / 198,043.04-273,299.46-107,398.98

Finding the Fourth Proportional to 198,043.04, 273,299.46 and 107,398.98

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Solution

The fourth proportional to 198,043.04, 273,299.46 and 107,398.98 is: 148,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,043.04 : 273,299.46 = 107,398.98 : x
  2. Step 2: Convert to fraction form
    198,043.04/273,299.46 = 107,398.98/x
  3. Step 3: Cross multiply
    198,043.04x = 273,299.46 × 107,398.98
  4. Step 4: Simplify right side
    198,043.04x = 29,352,083,238.55
  5. Step 5: Solve for x
    x = 29,352,083,238.55/198,043.04
  6. Step 6: Final answer
    x = 148,210.63

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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.