Home / 190,210.28-262,490.17-105,327.35

Finding the Fourth Proportional to 190,210.28, 262,490.17 and 105,327.35

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Solution

The fourth proportional to 190,210.28, 262,490.17 and 105,327.35 is: 145,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,210.28 : 262,490.17 = 105,327.35 : x
  2. Step 2: Convert to fraction form
    190,210.28/262,490.17 = 105,327.35/x
  3. Step 3: Cross multiply
    190,210.28x = 262,490.17 × 105,327.35
  4. Step 4: Simplify right side
    190,210.28x = 27,647,394,007.15
  5. Step 5: Solve for x
    x = 27,647,394,007.15/190,210.28
  6. Step 6: Final answer
    x = 145,351.73

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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.