Home / 339,531.88-509,122.62-152,383.24

Finding the Fourth Proportional to 339,531.88, 509,122.62 and 152,383.24

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Solution

The fourth proportional to 339,531.88, 509,122.62 and 152,383.24 is: 228,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,531.88 : 509,122.62 = 152,383.24 : x
  2. Step 2: Convert to fraction form
    339,531.88/509,122.62 = 152,383.24/x
  3. Step 3: Cross multiply
    339,531.88x = 509,122.62 × 152,383.24
  4. Step 4: Simplify right side
    339,531.88x = 77,581,754,392.89
  5. Step 5: Solve for x
    x = 77,581,754,392.89/339,531.88
  6. Step 6: Final answer
    x = 228,496.23

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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.