Home / 190,136.43-262,391.81-109,550.34

Finding the Fourth Proportional to 190,136.43, 262,391.81 and 109,550.34

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Solution

The fourth proportional to 190,136.43, 262,391.81 and 109,550.34 is: 151,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,136.43 : 262,391.81 = 109,550.34 : x
  2. Step 2: Convert to fraction form
    190,136.43/262,391.81 = 109,550.34/x
  3. Step 3: Cross multiply
    190,136.43x = 262,391.81 × 109,550.34
  4. Step 4: Simplify right side
    190,136.43x = 28,745,111,450.96
  5. Step 5: Solve for x
    x = 28,745,111,450.96/190,136.43
  6. Step 6: Final answer
    x = 151,181.50

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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.