Home / 140,918.46-194,467.46-77,256.70

Finding the Fourth Proportional to 140,918.46, 194,467.46 and 77,256.70

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Solution

The fourth proportional to 140,918.46, 194,467.46 and 77,256.70 is: 106,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918.46 : 194,467.46 = 77,256.70 : x
  2. Step 2: Convert to fraction form
    140,918.46/194,467.46 = 77,256.70/x
  3. Step 3: Cross multiply
    140,918.46x = 194,467.46 × 77,256.70
  4. Step 4: Simplify right side
    140,918.46x = 15,023,914,216.98
  5. Step 5: Solve for x
    x = 15,023,914,216.98/140,918.46
  6. Step 6: Final answer
    x = 106,614.24

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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.