Home / 347,936.20-480,143.82-204,705.46

Finding the Fourth Proportional to 347,936.20, 480,143.82 and 204,705.46

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Solution

The fourth proportional to 347,936.20, 480,143.82 and 204,705.46 is: 282,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,936.20 : 480,143.82 = 204,705.46 : x
  2. Step 2: Convert to fraction form
    347,936.20/480,143.82 = 204,705.46/x
  3. Step 3: Cross multiply
    347,936.20x = 480,143.82 × 204,705.46
  4. Step 4: Simplify right side
    347,936.20x = 98,288,061,539.26
  5. Step 5: Solve for x
    x = 98,288,061,539.26/347,936.20
  6. Step 6: Final answer
    x = 282,488.75

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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.