Home / 198,488.70-273,957.66-122,073.48

Finding the Fourth Proportional to 198,488.70, 273,957.66 and 122,073.48

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Solution

The fourth proportional to 198,488.70, 273,957.66 and 122,073.48 is: 168,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,488.70 : 273,957.66 = 122,073.48 : x
  2. Step 2: Convert to fraction form
    198,488.70/273,957.66 = 122,073.48/x
  3. Step 3: Cross multiply
    198,488.70x = 273,957.66 × 122,073.48
  4. Step 4: Simplify right side
    198,488.70x = 33,442,964,928.86
  5. Step 5: Solve for x
    x = 33,442,964,928.86/198,488.70
  6. Step 6: Final answer
    x = 168,488.00

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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.