Home / 276,194.32-381,056.52-225,119.23

Finding the Fourth Proportional to 276,194.32, 381,056.52 and 225,119.23

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Solution

The fourth proportional to 276,194.32, 381,056.52 and 225,119.23 is: 310,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,194.32 : 381,056.52 = 225,119.23 : x
  2. Step 2: Convert to fraction form
    276,194.32/381,056.52 = 225,119.23/x
  3. Step 3: Cross multiply
    276,194.32x = 381,056.52 × 225,119.23
  4. Step 4: Simplify right side
    276,194.32x = 85,783,150,368.88
  5. Step 5: Solve for x
    x = 85,783,150,368.88/276,194.32
  6. Step 6: Final answer
    x = 310,589.84

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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.