Home / 103,286.07-154,907.19-33,148.98

Finding the Fourth Proportional to 103,286.07, 154,907.19 and 33,148.98

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Solution

The fourth proportional to 103,286.07, 154,907.19 and 33,148.98 is: 49,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,286.07 : 154,907.19 = 33,148.98 : x
  2. Step 2: Convert to fraction form
    103,286.07/154,907.19 = 33,148.98/x
  3. Step 3: Cross multiply
    103,286.07x = 154,907.19 × 33,148.98
  4. Step 4: Simplify right side
    103,286.07x = 5,135,015,343.17
  5. Step 5: Solve for x
    x = 5,135,015,343.17/103,286.07
  6. Step 6: Final answer
    x = 49,716.44

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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.