Home / 167,986.60-251,634.30-115,455.40

Finding the Fourth Proportional to 167,986.60, 251,634.30 and 115,455.40

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Solution

The fourth proportional to 167,986.60, 251,634.30 and 115,455.40 is: 172,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,986.60 : 251,634.30 = 115,455.40 : x
  2. Step 2: Convert to fraction form
    167,986.60/251,634.30 = 115,455.40/x
  3. Step 3: Cross multiply
    167,986.60x = 251,634.30 × 115,455.40
  4. Step 4: Simplify right side
    167,986.60x = 29,052,538,760.22
  5. Step 5: Solve for x
    x = 29,052,538,760.22/167,986.60
  6. Step 6: Final answer
    x = 172,945.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.