Home / 256,608.20-384,183.30-242,643.80

Finding the Fourth Proportional to 256,608.20, 384,183.30 and 242,643.80

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Solution

The fourth proportional to 256,608.20, 384,183.30 and 242,643.80 is: 363,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608.20 : 384,183.30 = 242,643.80 : x
  2. Step 2: Convert to fraction form
    256,608.20/384,183.30 = 242,643.80/x
  3. Step 3: Cross multiply
    256,608.20x = 384,183.30 × 242,643.80
  4. Step 4: Simplify right side
    256,608.20x = 93,219,695,808.54
  5. Step 5: Solve for x
    x = 93,219,695,808.54/256,608.20
  6. Step 6: Final answer
    x = 363,276.37

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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.