Home / 140,918.43-194,725.16-102,611.46

Finding the Fourth Proportional to 140,918.43, 194,725.16 and 102,611.46

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Solution

The fourth proportional to 140,918.43, 194,725.16 and 102,611.46 is: 141,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918.43 : 194,725.16 = 102,611.46 : x
  2. Step 2: Convert to fraction form
    140,918.43/194,725.16 = 102,611.46/x
  3. Step 3: Cross multiply
    140,918.43x = 194,725.16 × 102,611.46
  4. Step 4: Simplify right side
    140,918.43x = 19,981,033,050.15
  5. Step 5: Solve for x
    x = 19,981,033,050.15/140,918.43
  6. Step 6: Final answer
    x = 141,791.48

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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.