Home / 190,210.24-262,489.92-105,327.30

Finding the Fourth Proportional to 190,210.24, 262,489.92 and 105,327.30

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Solution

The fourth proportional to 190,210.24, 262,489.92 and 105,327.30 is: 145,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,210.24 : 262,489.92 = 105,327.30 : x
  2. Step 2: Convert to fraction form
    190,210.24/262,489.92 = 105,327.30/x
  3. Step 3: Cross multiply
    190,210.24x = 262,489.92 × 105,327.30
  4. Step 4: Simplify right side
    190,210.24x = 27,647,354,550.82
  5. Step 5: Solve for x
    x = 27,647,354,550.82/190,210.24
  6. Step 6: Final answer
    x = 145,351.56

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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.