Home / 350,961.71-484,327.18-189,816.72

Finding the Fourth Proportional to 350,961.71, 484,327.18 and 189,816.72

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Solution

The fourth proportional to 350,961.71, 484,327.18 and 189,816.72 is: 261,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,961.71 : 484,327.18 = 189,816.72 : x
  2. Step 2: Convert to fraction form
    350,961.71/484,327.18 = 189,816.72/x
  3. Step 3: Cross multiply
    350,961.71x = 484,327.18 × 189,816.72
  4. Step 4: Simplify right side
    350,961.71x = 91,933,395,135.49
  5. Step 5: Solve for x
    x = 91,933,395,135.49/350,961.71
  6. Step 6: Final answer
    x = 261,947.08

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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.