Home / 198,119.34-297,252.99-79,824.24

Finding the Fourth Proportional to 198,119.34, 297,252.99 and 79,824.24

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Solution

The fourth proportional to 198,119.34, 297,252.99 and 79,824.24 is: 119,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,119.34 : 297,252.99 = 79,824.24 : x
  2. Step 2: Convert to fraction form
    198,119.34/297,252.99 = 79,824.24/x
  3. Step 3: Cross multiply
    198,119.34x = 297,252.99 × 79,824.24
  4. Step 4: Simplify right side
    198,119.34x = 23,727,994,014.48
  5. Step 5: Solve for x
    x = 23,727,994,014.48/198,119.34
  6. Step 6: Final answer
    x = 119,766.17

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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.