Home / 190,112.82-285,147.32-49,882.38

Finding the Fourth Proportional to 190,112.82, 285,147.32 and 49,882.38

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Solution

The fourth proportional to 190,112.82, 285,147.32 and 49,882.38 is: 74,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,112.82 : 285,147.32 = 49,882.38 : x
  2. Step 2: Convert to fraction form
    190,112.82/285,147.32 = 49,882.38/x
  3. Step 3: Cross multiply
    190,112.82x = 285,147.32 × 49,882.38
  4. Step 4: Simplify right side
    190,112.82x = 14,223,826,972.22
  5. Step 5: Solve for x
    x = 14,223,826,972.22/190,112.82
  6. Step 6: Final answer
    x = 74,817.82

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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.