Home / 198,793.36-274,332.72-108,151.12

Finding the Fourth Proportional to 198,793.36, 274,332.72 and 108,151.12

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Solution

The fourth proportional to 198,793.36, 274,332.72 and 108,151.12 is: 149,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,793.36 : 274,332.72 = 108,151.12 : x
  2. Step 2: Convert to fraction form
    198,793.36/274,332.72 = 108,151.12/x
  3. Step 3: Cross multiply
    198,793.36x = 274,332.72 × 108,151.12
  4. Step 4: Simplify right side
    198,793.36x = 29,669,390,920.65
  5. Step 5: Solve for x
    x = 29,669,390,920.65/198,793.36
  6. Step 6: Final answer
    x = 149,247.39

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1.5x scale

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.