Home / 190,655.22-263,107.68-104,618.64

Finding the Fourth Proportional to 190,655.22, 263,107.68 and 104,618.64

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Solution

The fourth proportional to 190,655.22, 263,107.68 and 104,618.64 is: 144,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,655.22 : 263,107.68 = 104,618.64 : x
  2. Step 2: Convert to fraction form
    190,655.22/263,107.68 = 104,618.64/x
  3. Step 3: Cross multiply
    190,655.22x = 263,107.68 × 104,618.64
  4. Step 4: Simplify right side
    190,655.22x = 27,525,967,655.16
  5. Step 5: Solve for x
    x = 27,525,967,655.16/190,655.22
  6. Step 6: Final answer
    x = 144,375.63

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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.