Home / 190,257.71-262,557.56-114,791.63

Finding the Fourth Proportional to 190,257.71, 262,557.56 and 114,791.63

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Solution

The fourth proportional to 190,257.71, 262,557.56 and 114,791.63 is: 158,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,257.71 : 262,557.56 = 114,791.63 : x
  2. Step 2: Convert to fraction form
    190,257.71/262,557.56 = 114,791.63/x
  3. Step 3: Cross multiply
    190,257.71x = 262,557.56 × 114,791.63
  4. Step 4: Simplify right side
    190,257.71x = 30,139,409,255.41
  5. Step 5: Solve for x
    x = 30,139,409,255.41/190,257.71
  6. Step 6: Final answer
    x = 158,413.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.