Home / 350,825.77-484,139.17-189,680.43

Finding the Fourth Proportional to 350,825.77, 484,139.17 and 189,680.43

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Solution

The fourth proportional to 350,825.77, 484,139.17 and 189,680.43 is: 261,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,825.77 : 484,139.17 = 189,680.43 : x
  2. Step 2: Convert to fraction form
    350,825.77/484,139.17 = 189,680.43/x
  3. Step 3: Cross multiply
    350,825.77x = 484,139.17 × 189,680.43
  4. Step 4: Simplify right side
    350,825.77x = 91,831,725,945.44
  5. Step 5: Solve for x
    x = 91,831,725,945.44/350,825.77
  6. Step 6: Final answer
    x = 261,758.78

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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.