Home / 339,716.23-509,647.88-103,076.75

Finding the Fourth Proportional to 339,716.23, 509,647.88 and 103,076.75

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Solution

The fourth proportional to 339,716.23, 509,647.88 and 103,076.75 is: 154,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,716.23 : 509,647.88 = 103,076.75 : x
  2. Step 2: Convert to fraction form
    339,716.23/509,647.88 = 103,076.75/x
  3. Step 3: Cross multiply
    339,716.23x = 509,647.88 × 103,076.75
  4. Step 4: Simplify right side
    339,716.23x = 52,532,848,646.60
  5. Step 5: Solve for x
    x = 52,532,848,646.60/339,716.23
  6. Step 6: Final answer
    x = 154,637.44

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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.