Home / 165,459.09-248,115.74-47,103.51

Finding the Fourth Proportional to 165,459.09, 248,115.74 and 47,103.51

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Solution

The fourth proportional to 165,459.09, 248,115.74 and 47,103.51 is: 70,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,459.09 : 248,115.74 = 47,103.51 : x
  2. Step 2: Convert to fraction form
    165,459.09/248,115.74 = 47,103.51/x
  3. Step 3: Cross multiply
    165,459.09x = 248,115.74 × 47,103.51
  4. Step 4: Simplify right side
    165,459.09x = 11,687,122,004.73
  5. Step 5: Solve for x
    x = 11,687,122,004.73/165,459.09
  6. Step 6: Final answer
    x = 70,634.51

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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.