Home / 165,863.70-248,588.19-130,664.34

Finding the Fourth Proportional to 165,863.70, 248,588.19 and 130,664.34

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Solution

The fourth proportional to 165,863.70, 248,588.19 and 130,664.34 is: 195,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,863.70 : 248,588.19 = 130,664.34 : x
  2. Step 2: Convert to fraction form
    165,863.70/248,588.19 = 130,664.34/x
  3. Step 3: Cross multiply
    165,863.70x = 248,588.19 × 130,664.34
  4. Step 4: Simplify right side
    165,863.70x = 32,481,611,778.14
  5. Step 5: Solve for x
    x = 32,481,611,778.14/165,863.70
  6. Step 6: Final answer
    x = 195,833.16

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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.