Home / 198,625.77-297,953.24-80,294.49

Finding the Fourth Proportional to 198,625.77, 297,953.24 and 80,294.49

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Solution

The fourth proportional to 198,625.77, 297,953.24 and 80,294.49 is: 120,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,625.77 : 297,953.24 = 80,294.49 : x
  2. Step 2: Convert to fraction form
    198,625.77/297,953.24 = 80,294.49/x
  3. Step 3: Cross multiply
    198,625.77x = 297,953.24 × 80,294.49
  4. Step 4: Simplify right side
    198,625.77x = 23,924,003,048.18
  5. Step 5: Solve for x
    x = 23,924,003,048.18/198,625.77
  6. Step 6: Final answer
    x = 120,447.63

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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.