Home / 190,102.26-262,406.70-109,561.95

Finding the Fourth Proportional to 190,102.26, 262,406.70 and 109,561.95

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Solution

The fourth proportional to 190,102.26, 262,406.70 and 109,561.95 is: 151,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,102.26 : 262,406.70 = 109,561.95 : x
  2. Step 2: Convert to fraction form
    190,102.26/262,406.70 = 109,561.95/x
  3. Step 3: Cross multiply
    190,102.26x = 262,406.70 × 109,561.95
  4. Step 4: Simplify right side
    190,102.26x = 28,749,789,745.07
  5. Step 5: Solve for x
    x = 28,749,789,745.07/190,102.26
  6. Step 6: Final answer
    x = 151,233.29

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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.