Home / 447,234.88-670,997.04-131,693.44

Finding the Fourth Proportional to 447,234.88, 670,997.04 and 131,693.44

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Solution

The fourth proportional to 447,234.88, 670,997.04 and 131,693.44 is: 197,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,234.88 : 670,997.04 = 131,693.44 : x
  2. Step 2: Convert to fraction form
    447,234.88/670,997.04 = 131,693.44/x
  3. Step 3: Cross multiply
    447,234.88x = 670,997.04 × 131,693.44
  4. Step 4: Simplify right side
    447,234.88x = 88,365,908,427.42
  5. Step 5: Solve for x
    x = 88,365,908,427.42/447,234.88
  6. Step 6: Final answer
    x = 197,582.77

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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.