Home / 190,546.96-262,942.32-105,661.12

Finding the Fourth Proportional to 190,546.96, 262,942.32 and 105,661.12

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Solution

The fourth proportional to 190,546.96, 262,942.32 and 105,661.12 is: 145,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,546.96 : 262,942.32 = 105,661.12 : x
  2. Step 2: Convert to fraction form
    190,546.96/262,942.32 = 105,661.12/x
  3. Step 3: Cross multiply
    190,546.96x = 262,942.32 × 105,661.12
  4. Step 4: Simplify right side
    190,546.96x = 27,782,780,026.60
  5. Step 5: Solve for x
    x = 27,782,780,026.60/190,546.96
  6. Step 6: Final answer
    x = 145,805.42

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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.