Home / 276,441.41-381,342.83-190,250.76

Finding the Fourth Proportional to 276,441.41, 381,342.83 and 190,250.76

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Solution

The fourth proportional to 276,441.41, 381,342.83 and 190,250.76 is: 262,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,441.41 : 381,342.83 = 190,250.76 : x
  2. Step 2: Convert to fraction form
    276,441.41/381,342.83 = 190,250.76/x
  3. Step 3: Cross multiply
    276,441.41x = 381,342.83 × 190,250.76
  4. Step 4: Simplify right side
    276,441.41x = 72,550,760,370.08
  5. Step 5: Solve for x
    x = 72,550,760,370.08/276,441.41
  6. Step 6: Final answer
    x = 262,445.34

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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.