Home / 202,588.35-279,568.06-111,942.37

Finding the Fourth Proportional to 202,588.35, 279,568.06 and 111,942.37

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Solution

The fourth proportional to 202,588.35, 279,568.06 and 111,942.37 is: 154,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,588.35 : 279,568.06 = 111,942.37 : x
  2. Step 2: Convert to fraction form
    202,588.35/279,568.06 = 111,942.37/x
  3. Step 3: Cross multiply
    202,588.35x = 279,568.06 × 111,942.37
  4. Step 4: Simplify right side
    202,588.35x = 31,295,511,212.70
  5. Step 5: Solve for x
    x = 31,295,511,212.70/202,588.35
  6. Step 6: Final answer
    x = 154,478.34

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1.5x scale

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.