Home / 329,416.50-494,081.07-92,777.78

Finding the Fourth Proportional to 329,416.50, 494,081.07 and 92,777.78

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Solution

The fourth proportional to 329,416.50, 494,081.07 and 92,777.78 is: 139,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,416.50 : 494,081.07 = 92,777.78 : x
  2. Step 2: Convert to fraction form
    329,416.50/494,081.07 = 92,777.78/x
  3. Step 3: Cross multiply
    329,416.50x = 494,081.07 × 92,777.78
  4. Step 4: Simplify right side
    329,416.50x = 45,839,744,814.62
  5. Step 5: Solve for x
    x = 45,839,744,814.62/329,416.50
  6. Step 6: Final answer
    x = 139,154.37

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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.