Home / 174,380.45-261,596.79-74,540.25

Finding the Fourth Proportional to 174,380.45, 261,596.79 and 74,540.25

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Solution

The fourth proportional to 174,380.45, 261,596.79 and 74,540.25 is: 111,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,380.45 : 261,596.79 = 74,540.25 : x
  2. Step 2: Convert to fraction form
    174,380.45/261,596.79 = 74,540.25/x
  3. Step 3: Cross multiply
    174,380.45x = 261,596.79 × 74,540.25
  4. Step 4: Simplify right side
    174,380.45x = 19,499,490,125.80
  5. Step 5: Solve for x
    x = 19,499,490,125.80/174,380.45
  6. Step 6: Final answer
    x = 111,821.54

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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.