Home / 339,982.20-510,119.10-173,770.20

Finding the Fourth Proportional to 339,982.20, 510,119.10 and 173,770.20

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Solution

The fourth proportional to 339,982.20, 510,119.10 and 173,770.20 is: 260,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,982.20 : 510,119.10 = 173,770.20 : x
  2. Step 2: Convert to fraction form
    339,982.20/510,119.10 = 173,770.20/x
  3. Step 3: Cross multiply
    339,982.20x = 510,119.10 × 173,770.20
  4. Step 4: Simplify right side
    339,982.20x = 88,643,498,030.82
  5. Step 5: Solve for x
    x = 88,643,498,030.82/339,982.20
  6. Step 6: Final answer
    x = 260,729.82

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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.