Home / 174,080.70-261,134.94-74,241.78

Finding the Fourth Proportional to 174,080.70, 261,134.94 and 74,241.78

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Solution

The fourth proportional to 174,080.70, 261,134.94 and 74,241.78 is: 111,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,080.70 : 261,134.94 = 74,241.78 : x
  2. Step 2: Convert to fraction form
    174,080.70/261,134.94 = 74,241.78/x
  3. Step 3: Cross multiply
    174,080.70x = 261,134.94 × 74,241.78
  4. Step 4: Simplify right side
    174,080.70x = 19,387,122,765.79
  5. Step 5: Solve for x
    x = 19,387,122,765.79/174,080.70
  6. Step 6: Final answer
    x = 111,368.59

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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.