Home / 276,440.96-381,342.20-190,250.30

Finding the Fourth Proportional to 276,440.96, 381,342.20 and 190,250.30

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Solution

The fourth proportional to 276,440.96, 381,342.20 and 190,250.30 is: 262,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,440.96 : 381,342.20 = 190,250.30 : x
  2. Step 2: Convert to fraction form
    276,440.96/381,342.20 = 190,250.30/x
  3. Step 3: Cross multiply
    276,440.96x = 381,342.20 × 190,250.30
  4. Step 4: Simplify right side
    276,440.96x = 72,550,469,381.64
  5. Step 5: Solve for x
    x = 72,550,469,381.64/276,440.96
  6. Step 6: Final answer
    x = 262,444.72

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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.