Home / 198,324.86-273,660.75-116,656.79

Finding the Fourth Proportional to 198,324.86, 273,660.75 and 116,656.79

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Solution

The fourth proportional to 198,324.86, 273,660.75 and 116,656.79 is: 160,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,324.86 : 273,660.75 = 116,656.79 : x
  2. Step 2: Convert to fraction form
    198,324.86/273,660.75 = 116,656.79/x
  3. Step 3: Cross multiply
    198,324.86x = 273,660.75 × 116,656.79
  4. Step 4: Simplify right side
    198,324.86x = 31,924,383,275.69
  5. Step 5: Solve for x
    x = 31,924,383,275.69/198,324.86
  6. Step 6: Final answer
    x = 160,970.16

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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.