Home / 276,533.85-381,590.32-203,976.24

Finding the Fourth Proportional to 276,533.85, 381,590.32 and 203,976.24

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Solution

The fourth proportional to 276,533.85, 381,590.32 and 203,976.24 is: 281,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,533.85 : 381,590.32 = 203,976.24 : x
  2. Step 2: Convert to fraction form
    276,533.85/381,590.32 = 203,976.24/x
  3. Step 3: Cross multiply
    276,533.85x = 381,590.32 × 203,976.24
  4. Step 4: Simplify right side
    276,533.85x = 77,835,357,785.57
  5. Step 5: Solve for x
    x = 77,835,357,785.57/276,533.85
  6. Step 6: Final answer
    x = 281,467.74

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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.