Home / 256,233.20-383,442.60-223,314.80

Finding the Fourth Proportional to 256,233.20, 383,442.60 and 223,314.80

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Solution

The fourth proportional to 256,233.20, 383,442.60 and 223,314.80 is: 334,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,233.20 : 383,442.60 = 223,314.80 : x
  2. Step 2: Convert to fraction form
    256,233.20/383,442.60 = 223,314.80/x
  3. Step 3: Cross multiply
    256,233.20x = 383,442.60 × 223,314.80
  4. Step 4: Simplify right side
    256,233.20x = 85,628,407,530.48
  5. Step 5: Solve for x
    x = 85,628,407,530.48/256,233.20
  6. Step 6: Final answer
    x = 334,181.55

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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.