Home / 174,074.40-261,138.60-74,234.88

Finding the Fourth Proportional to 174,074.40, 261,138.60 and 74,234.88

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Solution

The fourth proportional to 174,074.40, 261,138.60 and 74,234.88 is: 111,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,074.40 : 261,138.60 = 74,234.88 : x
  2. Step 2: Convert to fraction form
    174,074.40/261,138.60 = 74,234.88/x
  3. Step 3: Cross multiply
    174,074.40x = 261,138.60 × 74,234.88
  4. Step 4: Simplify right side
    174,074.40x = 19,385,592,634.37
  5. Step 5: Solve for x
    x = 19,385,592,634.37/174,074.40
  6. Step 6: Final answer
    x = 111,363.83

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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.