Home / 190,028.43-262,236.99-103,986.51

Finding the Fourth Proportional to 190,028.43, 262,236.99 and 103,986.51

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Solution

The fourth proportional to 190,028.43, 262,236.99 and 103,986.51 is: 143,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,028.43 : 262,236.99 = 103,986.51 : x
  2. Step 2: Convert to fraction form
    190,028.43/262,236.99 = 103,986.51/x
  3. Step 3: Cross multiply
    190,028.43x = 262,236.99 × 103,986.51
  4. Step 4: Simplify right side
    190,028.43x = 27,269,109,383.00
  5. Step 5: Solve for x
    x = 27,269,109,383.00/190,028.43
  6. Step 6: Final answer
    x = 143,500.16

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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.