Home / 165,561.48-248,147.70-76,627.14

Finding the Fourth Proportional to 165,561.48, 248,147.70 and 76,627.14

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Solution

The fourth proportional to 165,561.48, 248,147.70 and 76,627.14 is: 114,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,561.48 : 248,147.70 = 76,627.14 : x
  2. Step 2: Convert to fraction form
    165,561.48/248,147.70 = 76,627.14/x
  3. Step 3: Cross multiply
    165,561.48x = 248,147.70 × 76,627.14
  4. Step 4: Simplify right side
    165,561.48x = 19,014,848,548.58
  5. Step 5: Solve for x
    x = 19,014,848,548.58/165,561.48
  6. Step 6: Final answer
    x = 114,850.68

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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.