Home / 165,727.60-248,785.80-164,561.20

Finding the Fourth Proportional to 165,727.60, 248,785.80 and 164,561.20

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Solution

The fourth proportional to 165,727.60, 248,785.80 and 164,561.20 is: 247,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,727.60 : 248,785.80 = 164,561.20 : x
  2. Step 2: Convert to fraction form
    165,727.60/248,785.80 = 164,561.20/x
  3. Step 3: Cross multiply
    165,727.60x = 248,785.80 × 164,561.20
  4. Step 4: Simplify right side
    165,727.60x = 40,940,489,790.96
  5. Step 5: Solve for x
    x = 40,940,489,790.96/165,727.60
  6. Step 6: Final answer
    x = 247,034.83

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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.