Home / 367,748.40-551,622.60-131,098.80

Finding the Fourth Proportional to 367,748.40, 551,622.60 and 131,098.80

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Solution

The fourth proportional to 367,748.40, 551,622.60 and 131,098.80 is: 196,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,748.40 : 551,622.60 = 131,098.80 : x
  2. Step 2: Convert to fraction form
    367,748.40/551,622.60 = 131,098.80/x
  3. Step 3: Cross multiply
    367,748.40x = 551,622.60 × 131,098.80
  4. Step 4: Simplify right side
    367,748.40x = 72,317,060,912.88
  5. Step 5: Solve for x
    x = 72,317,060,912.88/367,748.40
  6. Step 6: Final answer
    x = 196,648.20

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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.