Home / 140,936.16-194,553.92-98,660.64

Finding the Fourth Proportional to 140,936.16, 194,553.92 and 98,660.64

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Solution

The fourth proportional to 140,936.16, 194,553.92 and 98,660.64 is: 136,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,936.16 : 194,553.92 = 98,660.64 : x
  2. Step 2: Convert to fraction form
    140,936.16/194,553.92 = 98,660.64/x
  3. Step 3: Cross multiply
    140,936.16x = 194,553.92 × 98,660.64
  4. Step 4: Simplify right side
    140,936.16x = 19,194,814,261.71
  5. Step 5: Solve for x
    x = 19,194,814,261.71/140,936.16
  6. Step 6: Final answer
    x = 136,195.10

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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.