Home / 319,474.26-440,951.31-192,125.25

Finding the Fourth Proportional to 319,474.26, 440,951.31 and 192,125.25

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Solution

The fourth proportional to 319,474.26, 440,951.31 and 192,125.25 is: 265,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,474.26 : 440,951.31 = 192,125.25 : x
  2. Step 2: Convert to fraction form
    319,474.26/440,951.31 = 192,125.25/x
  3. Step 3: Cross multiply
    319,474.26x = 440,951.31 × 192,125.25
  4. Step 4: Simplify right side
    319,474.26x = 84,717,880,671.58
  5. Step 5: Solve for x
    x = 84,717,880,671.58/319,474.26
  6. Step 6: Final answer
    x = 265,179.05

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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.