Home / 190,539.97-262,945.16-105,657.03

Finding the Fourth Proportional to 190,539.97, 262,945.16 and 105,657.03

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Solution

The fourth proportional to 190,539.97, 262,945.16 and 105,657.03 is: 145,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,539.97 : 262,945.16 = 105,657.03 : x
  2. Step 2: Convert to fraction form
    190,539.97/262,945.16 = 105,657.03/x
  3. Step 3: Cross multiply
    190,539.97x = 262,945.16 × 105,657.03
  4. Step 4: Simplify right side
    190,539.97x = 27,782,006,103.98
  5. Step 5: Solve for x
    x = 27,782,006,103.98/190,539.97
  6. Step 6: Final answer
    x = 145,806.71

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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.