Home / 198,328.59-273,665.90-116,660.54

Finding the Fourth Proportional to 198,328.59, 273,665.90 and 116,660.54

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Solution

The fourth proportional to 198,328.59, 273,665.90 and 116,660.54 is: 160,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,328.59 : 273,665.90 = 116,660.54 : x
  2. Step 2: Convert to fraction form
    198,328.59/273,665.90 = 116,660.54/x
  3. Step 3: Cross multiply
    198,328.59x = 273,665.90 × 116,660.54
  4. Step 4: Simplify right side
    198,328.59x = 31,926,009,721.95
  5. Step 5: Solve for x
    x = 31,926,009,721.95/198,328.59
  6. Step 6: Final answer
    x = 160,975.33

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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.