Home / 192,709.19-265,874.10-112,119.46

Finding the Fourth Proportional to 192,709.19, 265,874.10 and 112,119.46

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Solution

The fourth proportional to 192,709.19, 265,874.10 and 112,119.46 is: 154,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,709.19 : 265,874.10 = 112,119.46 : x
  2. Step 2: Convert to fraction form
    192,709.19/265,874.10 = 112,119.46/x
  3. Step 3: Cross multiply
    192,709.19x = 265,874.10 × 112,119.46
  4. Step 4: Simplify right side
    192,709.19x = 29,809,659,434.85
  5. Step 5: Solve for x
    x = 29,809,659,434.85/192,709.19
  6. Step 6: Final answer
    x = 154,687.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.