Home / 319,664.95-441,194.82-190,611.73

Finding the Fourth Proportional to 319,664.95, 441,194.82 and 190,611.73

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Solution

The fourth proportional to 319,664.95, 441,194.82 and 190,611.73 is: 263,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,664.95 : 441,194.82 = 190,611.73 : x
  2. Step 2: Convert to fraction form
    319,664.95/441,194.82 = 190,611.73/x
  3. Step 3: Cross multiply
    319,664.95x = 441,194.82 × 190,611.73
  4. Step 4: Simplify right side
    319,664.95x = 84,096,907,907.24
  5. Step 5: Solve for x
    x = 84,096,907,907.24/319,664.95
  6. Step 6: Final answer
    x = 263,078.29

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1.5x scale

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.