Home / 256,883.20-384,826.26-189,292.60

Finding the Fourth Proportional to 256,883.20, 384,826.26 and 189,292.60

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Solution

The fourth proportional to 256,883.20, 384,826.26 and 189,292.60 is: 283,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,883.20 : 384,826.26 = 189,292.60 : x
  2. Step 2: Convert to fraction form
    256,883.20/384,826.26 = 189,292.60/x
  3. Step 3: Cross multiply
    256,883.20x = 384,826.26 × 189,292.60
  4. Step 4: Simplify right side
    256,883.20x = 72,844,763,303.68
  5. Step 5: Solve for x
    x = 72,844,763,303.68/256,883.20
  6. Step 6: Final answer
    x = 283,571.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.