Home / 205,371.14-307,627.38-165,172.82

Finding the Fourth Proportional to 205,371.14, 307,627.38 and 165,172.82

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Solution

The fourth proportional to 205,371.14, 307,627.38 and 165,172.82 is: 247,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,371.14 : 307,627.38 = 165,172.82 : x
  2. Step 2: Convert to fraction form
    205,371.14/307,627.38 = 165,172.82/x
  3. Step 3: Cross multiply
    205,371.14x = 307,627.38 × 165,172.82
  4. Step 4: Simplify right side
    205,371.14x = 50,811,681,863.81
  5. Step 5: Solve for x
    x = 50,811,681,863.81/205,371.14
  6. Step 6: Final answer
    x = 247,413.93

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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.