Home / 178,566.48-268,022.52-131,326.80

Finding the Fourth Proportional to 178,566.48, 268,022.52 and 131,326.80

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Solution

The fourth proportional to 178,566.48, 268,022.52 and 131,326.80 is: 197,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,566.48 : 268,022.52 = 131,326.80 : x
  2. Step 2: Convert to fraction form
    178,566.48/268,022.52 = 131,326.80/x
  3. Step 3: Cross multiply
    178,566.48x = 268,022.52 × 131,326.80
  4. Step 4: Simplify right side
    178,566.48x = 35,198,539,879.54
  5. Step 5: Solve for x
    x = 35,198,539,879.54/178,566.48
  6. Step 6: Final answer
    x = 197,117.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.