Home / 383,962.20-576,231.30-196,877.40

Finding the Fourth Proportional to 383,962.20, 576,231.30 and 196,877.40

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Solution

The fourth proportional to 383,962.20, 576,231.30 and 196,877.40 is: 295,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,962.20 : 576,231.30 = 196,877.40 : x
  2. Step 2: Convert to fraction form
    383,962.20/576,231.30 = 196,877.40/x
  3. Step 3: Cross multiply
    383,962.20x = 576,231.30 × 196,877.40
  4. Step 4: Simplify right side
    383,962.20x = 113,446,920,142.62
  5. Step 5: Solve for x
    x = 113,446,920,142.62/383,962.20
  6. Step 6: Final answer
    x = 295,463.77

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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.