Home / 190,093.92-262,333.60-105,214.56

Finding the Fourth Proportional to 190,093.92, 262,333.60 and 105,214.56

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Solution

The fourth proportional to 190,093.92, 262,333.60 and 105,214.56 is: 145,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,093.92 : 262,333.60 = 105,214.56 : x
  2. Step 2: Convert to fraction form
    190,093.92/262,333.60 = 105,214.56/x
  3. Step 3: Cross multiply
    190,093.92x = 262,333.60 × 105,214.56
  4. Step 4: Simplify right side
    190,093.92x = 27,601,314,297.22
  5. Step 5: Solve for x
    x = 27,601,314,297.22/190,093.92
  6. Step 6: Final answer
    x = 145,198.30

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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.