Home / 198,087.59-297,126.05-55,942.63

Finding the Fourth Proportional to 198,087.59, 297,126.05 and 55,942.63

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Solution

The fourth proportional to 198,087.59, 297,126.05 and 55,942.63 is: 83,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,087.59 : 297,126.05 = 55,942.63 : x
  2. Step 2: Convert to fraction form
    198,087.59/297,126.05 = 55,942.63/x
  3. Step 3: Cross multiply
    198,087.59x = 297,126.05 × 55,942.63
  4. Step 4: Simplify right side
    198,087.59x = 16,622,011,655.98
  5. Step 5: Solve for x
    x = 16,622,011,655.98/198,087.59
  6. Step 6: Final answer
    x = 83,912.43

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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.