Home / 276,836.74-381,636.57-197,210.50

Finding the Fourth Proportional to 276,836.74, 381,636.57 and 197,210.50

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Solution

The fourth proportional to 276,836.74, 381,636.57 and 197,210.50 is: 271,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,836.74 : 381,636.57 = 197,210.50 : x
  2. Step 2: Convert to fraction form
    276,836.74/381,636.57 = 197,210.50/x
  3. Step 3: Cross multiply
    276,836.74x = 381,636.57 × 197,210.50
  4. Step 4: Simplify right side
    276,836.74x = 75,262,738,787.99
  5. Step 5: Solve for x
    x = 75,262,738,787.99/276,836.74
  6. Step 6: Final answer
    x = 271,866.87

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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.