Home / 144,056.07-198,789.34-80,397.97

Finding the Fourth Proportional to 144,056.07, 198,789.34 and 80,397.97

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Solution

The fourth proportional to 144,056.07, 198,789.34 and 80,397.97 is: 110,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,056.07 : 198,789.34 = 80,397.97 : x
  2. Step 2: Convert to fraction form
    144,056.07/198,789.34 = 80,397.97/x
  3. Step 3: Cross multiply
    144,056.07x = 198,789.34 × 80,397.97
  4. Step 4: Simplify right side
    144,056.07x = 15,982,258,846.42
  5. Step 5: Solve for x
    x = 15,982,258,846.42/144,056.07
  6. Step 6: Final answer
    x = 110,944.71

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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.