Home / 198,526.70-273,965.94-107,880.95

Finding the Fourth Proportional to 198,526.70, 273,965.94 and 107,880.95

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Solution

The fourth proportional to 198,526.70, 273,965.94 and 107,880.95 is: 148,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,526.70 : 273,965.94 = 107,880.95 : x
  2. Step 2: Convert to fraction form
    198,526.70/273,965.94 = 107,880.95/x
  3. Step 3: Cross multiply
    198,526.70x = 273,965.94 × 107,880.95
  4. Step 4: Simplify right side
    198,526.70x = 29,555,704,505.01
  5. Step 5: Solve for x
    x = 29,555,704,505.01/198,526.70
  6. Step 6: Final answer
    x = 148,875.22

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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.