Home / 165,938.82-248,758.74-112,648.92

Finding the Fourth Proportional to 165,938.82, 248,758.74 and 112,648.92

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Solution

The fourth proportional to 165,938.82, 248,758.74 and 112,648.92 is: 168,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,938.82 : 248,758.74 = 112,648.92 : x
  2. Step 2: Convert to fraction form
    165,938.82/248,758.74 = 112,648.92/x
  3. Step 3: Cross multiply
    165,938.82x = 248,758.74 × 112,648.92
  4. Step 4: Simplify right side
    165,938.82x = 28,022,403,401.56
  5. Step 5: Solve for x
    x = 28,022,403,401.56/165,938.82
  6. Step 6: Final answer
    x = 168,871.90

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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.