Home / 140,725.42-194,194.38-77,063.56

Finding the Fourth Proportional to 140,725.42, 194,194.38 and 77,063.56

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Solution

The fourth proportional to 140,725.42, 194,194.38 and 77,063.56 is: 106,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,725.42 : 194,194.38 = 77,063.56 : x
  2. Step 2: Convert to fraction form
    140,725.42/194,194.38 = 77,063.56/x
  3. Step 3: Cross multiply
    140,725.42x = 194,194.38 × 77,063.56
  4. Step 4: Simplify right side
    140,725.42x = 14,965,310,254.79
  5. Step 5: Solve for x
    x = 14,965,310,254.79/140,725.42
  6. Step 6: Final answer
    x = 106,344.04

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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.