Home / 331,647.90-457,619.67-204,315.90

Finding the Fourth Proportional to 331,647.90, 457,619.67 and 204,315.90

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Solution

The fourth proportional to 331,647.90, 457,619.67 and 204,315.90 is: 281,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,647.90 : 457,619.67 = 204,315.90 : x
  2. Step 2: Convert to fraction form
    331,647.90/457,619.67 = 204,315.90/x
  3. Step 3: Cross multiply
    331,647.90x = 457,619.67 × 204,315.90
  4. Step 4: Simplify right side
    331,647.90x = 93,498,974,733.75
  5. Step 5: Solve for x
    x = 93,498,974,733.75/331,647.90
  6. Step 6: Final answer
    x = 281,922.41

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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.