Home / 190,509.75-262,912.57-105,626.81

Finding the Fourth Proportional to 190,509.75, 262,912.57 and 105,626.81

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Solution

The fourth proportional to 190,509.75, 262,912.57 and 105,626.81 is: 145,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,509.75 : 262,912.57 = 105,626.81 : x
  2. Step 2: Convert to fraction form
    190,509.75/262,912.57 = 105,626.81/x
  3. Step 3: Cross multiply
    190,509.75x = 262,912.57 × 105,626.81
  4. Step 4: Simplify right side
    190,509.75x = 27,770,616,471.22
  5. Step 5: Solve for x
    x = 27,770,616,471.22/190,509.75
  6. Step 6: Final answer
    x = 145,770.05

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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.