Home / 192,169.19-265,225.94-111,643.43

Finding the Fourth Proportional to 192,169.19, 265,225.94 and 111,643.43

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Solution

The fourth proportional to 192,169.19, 265,225.94 and 111,643.43 is: 154,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,169.19 : 265,225.94 = 111,643.43 : x
  2. Step 2: Convert to fraction form
    192,169.19/265,225.94 = 111,643.43/x
  3. Step 3: Cross multiply
    192,169.19x = 265,225.94 × 111,643.43
  4. Step 4: Simplify right side
    192,169.19x = 29,610,731,782.23
  5. Step 5: Solve for x
    x = 29,610,731,782.23/192,169.19
  6. Step 6: Final answer
    x = 154,086.78

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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.