Home / 165,936.78-248,555.19-112,661.46

Finding the Fourth Proportional to 165,936.78, 248,555.19 and 112,661.46

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Solution

The fourth proportional to 165,936.78, 248,555.19 and 112,661.46 is: 168,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,936.78 : 248,555.19 = 112,661.46 : x
  2. Step 2: Convert to fraction form
    165,936.78/248,555.19 = 112,661.46/x
  3. Step 3: Cross multiply
    165,936.78x = 248,555.19 × 112,661.46
  4. Step 4: Simplify right side
    165,936.78x = 28,002,590,595.98
  5. Step 5: Solve for x
    x = 28,002,590,595.98/165,936.78
  6. Step 6: Final answer
    x = 168,754.57

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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.