Home / 190,313.20-262,660.17-109,724.95

Finding the Fourth Proportional to 190,313.20, 262,660.17 and 109,724.95

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Solution

The fourth proportional to 190,313.20, 262,660.17 and 109,724.95 is: 151,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,313.20 : 262,660.17 = 109,724.95 : x
  2. Step 2: Convert to fraction form
    190,313.20/262,660.17 = 109,724.95/x
  3. Step 3: Cross multiply
    190,313.20x = 262,660.17 × 109,724.95
  4. Step 4: Simplify right side
    190,313.20x = 28,820,374,020.24
  5. Step 5: Solve for x
    x = 28,820,374,020.24/190,313.20
  6. Step 6: Final answer
    x = 151,436.55

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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.