Home / 165,654.88-248,133.21-75,773.28

Finding the Fourth Proportional to 165,654.88, 248,133.21 and 75,773.28

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Solution

The fourth proportional to 165,654.88, 248,133.21 and 75,773.28 is: 113,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,654.88 : 248,133.21 = 75,773.28 : x
  2. Step 2: Convert to fraction form
    165,654.88/248,133.21 = 75,773.28/x
  3. Step 3: Cross multiply
    165,654.88x = 248,133.21 × 75,773.28
  4. Step 4: Simplify right side
    165,654.88x = 18,801,866,449.23
  5. Step 5: Solve for x
    x = 18,801,866,449.23/165,654.88
  6. Step 6: Final answer
    x = 113,500.23

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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.