Home / 198,381.41-273,766.28-107,737.40

Finding the Fourth Proportional to 198,381.41, 273,766.28 and 107,737.40

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Solution

The fourth proportional to 198,381.41, 273,766.28 and 107,737.40 is: 148,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,381.41 : 273,766.28 = 107,737.40 : x
  2. Step 2: Convert to fraction form
    198,381.41/273,766.28 = 107,737.40/x
  3. Step 3: Cross multiply
    198,381.41x = 273,766.28 × 107,737.40
  4. Step 4: Simplify right side
    198,381.41x = 29,494,867,360.60
  5. Step 5: Solve for x
    x = 29,494,867,360.60/198,381.41
  6. Step 6: Final answer
    x = 148,677.58

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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.