Home / 198,936.84-298,415.18-56,803.20

Finding the Fourth Proportional to 198,936.84, 298,415.18 and 56,803.20

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Solution

The fourth proportional to 198,936.84, 298,415.18 and 56,803.20 is: 85,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,936.84 : 298,415.18 = 56,803.20 : x
  2. Step 2: Convert to fraction form
    198,936.84/298,415.18 = 56,803.20/x
  3. Step 3: Cross multiply
    198,936.84x = 298,415.18 × 56,803.20
  4. Step 4: Simplify right side
    198,936.84x = 16,950,936,868.56
  5. Step 5: Solve for x
    x = 16,950,936,868.56/198,936.84
  6. Step 6: Final answer
    x = 85,207.63

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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.