Home / 331,811.30-457,886.41-195,889.03

Finding the Fourth Proportional to 331,811.30, 457,886.41 and 195,889.03

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Solution

The fourth proportional to 331,811.30, 457,886.41 and 195,889.03 is: 270,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,811.30 : 457,886.41 = 195,889.03 : x
  2. Step 2: Convert to fraction form
    331,811.30/457,886.41 = 195,889.03/x
  3. Step 3: Cross multiply
    331,811.30x = 457,886.41 × 195,889.03
  4. Step 4: Simplify right side
    331,811.30x = 89,694,923,725.64
  5. Step 5: Solve for x
    x = 89,694,923,725.64/331,811.30
  6. Step 6: Final answer
    x = 270,319.08

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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.