Home / 276,237.54-381,205.04-153,727.85

Finding the Fourth Proportional to 276,237.54, 381,205.04 and 153,727.85

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Solution

The fourth proportional to 276,237.54, 381,205.04 and 153,727.85 is: 212,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,237.54 : 381,205.04 = 153,727.85 : x
  2. Step 2: Convert to fraction form
    276,237.54/381,205.04 = 153,727.85/x
  3. Step 3: Cross multiply
    276,237.54x = 381,205.04 × 153,727.85
  4. Step 4: Simplify right side
    276,237.54x = 58,601,828,533.70
  5. Step 5: Solve for x
    x = 58,601,828,533.70/276,237.54
  6. Step 6: Final answer
    x = 212,142.88

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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.