Home / 190,107.36-262,344.24-105,219.36

Finding the Fourth Proportional to 190,107.36, 262,344.24 and 105,219.36

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Solution

The fourth proportional to 190,107.36, 262,344.24 and 105,219.36 is: 145,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,107.36 : 262,344.24 = 105,219.36 : x
  2. Step 2: Convert to fraction form
    190,107.36/262,344.24 = 105,219.36/x
  3. Step 3: Cross multiply
    190,107.36x = 262,344.24 × 105,219.36
  4. Step 4: Simplify right side
    190,107.36x = 27,603,693,032.49
  5. Step 5: Solve for x
    x = 27,603,693,032.49/190,107.36
  6. Step 6: Final answer
    x = 145,200.55

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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.