Home / 192,268.55-265,307.75-115,786.43

Finding the Fourth Proportional to 192,268.55, 265,307.75 and 115,786.43

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Solution

The fourth proportional to 192,268.55, 265,307.75 and 115,786.43 is: 159,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,268.55 : 265,307.75 = 115,786.43 : x
  2. Step 2: Convert to fraction form
    192,268.55/265,307.75 = 115,786.43/x
  3. Step 3: Cross multiply
    192,268.55x = 265,307.75 × 115,786.43
  4. Step 4: Simplify right side
    192,268.55x = 30,719,035,318.36
  5. Step 5: Solve for x
    x = 30,719,035,318.36/192,268.55
  6. Step 6: Final answer
    x = 159,771.51

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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.