Home / 190,591.20-262,997.16-105,706.56

Finding the Fourth Proportional to 190,591.20, 262,997.16 and 105,706.56

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Solution

The fourth proportional to 190,591.20, 262,997.16 and 105,706.56 is: 145,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,591.20 : 262,997.16 = 105,706.56 : x
  2. Step 2: Convert to fraction form
    190,591.20/262,997.16 = 105,706.56/x
  3. Step 3: Cross multiply
    190,591.20x = 262,997.16 × 105,706.56
  4. Step 4: Simplify right side
    190,591.20x = 27,800,525,073.37
  5. Step 5: Solve for x
    x = 27,800,525,073.37/190,591.20
  6. Step 6: Final answer
    x = 145,864.68

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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.