Home / 260,072.24-389,997.59-102,189.94

Finding the Fourth Proportional to 260,072.24, 389,997.59 and 102,189.94

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Solution

The fourth proportional to 260,072.24, 389,997.59 and 102,189.94 is: 153,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,072.24 : 389,997.59 = 102,189.94 : x
  2. Step 2: Convert to fraction form
    260,072.24/389,997.59 = 102,189.94/x
  3. Step 3: Cross multiply
    260,072.24x = 389,997.59 × 102,189.94
  4. Step 4: Simplify right side
    260,072.24x = 39,853,828,836.30
  5. Step 5: Solve for x
    x = 39,853,828,836.30/260,072.24
  6. Step 6: Final answer
    x = 153,241.38

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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.