Home / 165,936.30-248,904.45-136,411.80

Finding the Fourth Proportional to 165,936.30, 248,904.45 and 136,411.80

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Solution

The fourth proportional to 165,936.30, 248,904.45 and 136,411.80 is: 204,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,936.30 : 248,904.45 = 136,411.80 : x
  2. Step 2: Convert to fraction form
    165,936.30/248,904.45 = 136,411.80/x
  3. Step 3: Cross multiply
    165,936.30x = 248,904.45 × 136,411.80
  4. Step 4: Simplify right side
    165,936.30x = 33,953,504,052.51
  5. Step 5: Solve for x
    x = 33,953,504,052.51/165,936.30
  6. Step 6: Final answer
    x = 204,617.70

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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.