Home / 356,949.85-492,522.55-204,036.49

Finding the Fourth Proportional to 356,949.85, 492,522.55 and 204,036.49

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Solution

The fourth proportional to 356,949.85, 492,522.55 and 204,036.49 is: 281,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,949.85 : 492,522.55 = 204,036.49 : x
  2. Step 2: Convert to fraction form
    356,949.85/492,522.55 = 204,036.49/x
  3. Step 3: Cross multiply
    356,949.85x = 492,522.55 × 204,036.49
  4. Step 4: Simplify right side
    356,949.85x = 100,492,568,865.05
  5. Step 5: Solve for x
    x = 100,492,568,865.05/356,949.85
  6. Step 6: Final answer
    x = 281,531.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.