Home / 345,738.94-518,269.32-165,773.35

Finding the Fourth Proportional to 345,738.94, 518,269.32 and 165,773.35

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Solution

The fourth proportional to 345,738.94, 518,269.32 and 165,773.35 is: 248,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,738.94 : 518,269.32 = 165,773.35 : x
  2. Step 2: Convert to fraction form
    345,738.94/518,269.32 = 165,773.35/x
  3. Step 3: Cross multiply
    345,738.94x = 518,269.32 × 165,773.35
  4. Step 4: Simplify right side
    345,738.94x = 85,915,241,378.62
  5. Step 5: Solve for x
    x = 85,915,241,378.62/345,738.94
  6. Step 6: Final answer
    x = 248,497.44

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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.