Home / 190,540.73-262,956.71-105,655.97

Finding the Fourth Proportional to 190,540.73, 262,956.71 and 105,655.97

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Solution

The fourth proportional to 190,540.73, 262,956.71 and 105,655.97 is: 145,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,540.73 : 262,956.71 = 105,655.97 : x
  2. Step 2: Convert to fraction form
    190,540.73/262,956.71 = 105,655.97/x
  3. Step 3: Cross multiply
    190,540.73x = 262,956.71 × 105,655.97
  4. Step 4: Simplify right side
    190,540.73x = 27,782,945,734.78
  5. Step 5: Solve for x
    x = 27,782,945,734.78/190,540.73
  6. Step 6: Final answer
    x = 145,811.06

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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.