Home / 198,643.20-297,705.60-92,014.80

Finding the Fourth Proportional to 198,643.20, 297,705.60 and 92,014.80

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Solution

The fourth proportional to 198,643.20, 297,705.60 and 92,014.80 is: 137,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,643.20 : 297,705.60 = 92,014.80 : x
  2. Step 2: Convert to fraction form
    198,643.20/297,705.60 = 92,014.80/x
  3. Step 3: Cross multiply
    198,643.20x = 297,705.60 × 92,014.80
  4. Step 4: Simplify right side
    198,643.20x = 27,393,321,242.88
  5. Step 5: Solve for x
    x = 27,393,321,242.88/198,643.20
  6. Step 6: Final answer
    x = 137,902.13

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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.