Home / 190,512.32-262,902.24-105,629.12

Finding the Fourth Proportional to 190,512.32, 262,902.24 and 105,629.12

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Solution

The fourth proportional to 190,512.32, 262,902.24 and 105,629.12 is: 145,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,512.32 : 262,902.24 = 105,629.12 : x
  2. Step 2: Convert to fraction form
    190,512.32/262,902.24 = 105,629.12/x
  3. Step 3: Cross multiply
    190,512.32x = 262,902.24 × 105,629.12
  4. Step 4: Simplify right side
    190,512.32x = 27,770,132,257.23
  5. Step 5: Solve for x
    x = 27,770,132,257.23/190,512.32
  6. Step 6: Final answer
    x = 145,765.55

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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.