Home / 367,743.40-551,615.10-131,093.80

Finding the Fourth Proportional to 367,743.40, 551,615.10 and 131,093.80

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Solution

The fourth proportional to 367,743.40, 551,615.10 and 131,093.80 is: 196,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,743.40 : 551,615.10 = 131,093.80 : x
  2. Step 2: Convert to fraction form
    367,743.40/551,615.10 = 131,093.80/x
  3. Step 3: Cross multiply
    367,743.40x = 551,615.10 × 131,093.80
  4. Step 4: Simplify right side
    367,743.40x = 72,313,319,596.38
  5. Step 5: Solve for x
    x = 72,313,319,596.38/367,743.40
  6. Step 6: Final answer
    x = 196,640.70

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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.