Home / 349,947.36-482,936.40-196,991.04

Finding the Fourth Proportional to 349,947.36, 482,936.40 and 196,991.04

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Solution

The fourth proportional to 349,947.36, 482,936.40 and 196,991.04 is: 271,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,947.36 : 482,936.40 = 196,991.04 : x
  2. Step 2: Convert to fraction form
    349,947.36/482,936.40 = 196,991.04/x
  3. Step 3: Cross multiply
    349,947.36x = 482,936.40 × 196,991.04
  4. Step 4: Simplify right side
    349,947.36x = 95,134,143,689.86
  5. Step 5: Solve for x
    x = 95,134,143,689.86/349,947.36
  6. Step 6: Final answer
    x = 271,852.73

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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.