Home / 256,183.45-353,245.62-165,420.21

Finding the Fourth Proportional to 256,183.45, 353,245.62 and 165,420.21

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Solution

The fourth proportional to 256,183.45, 353,245.62 and 165,420.21 is: 228,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,183.45 : 353,245.62 = 165,420.21 : x
  2. Step 2: Convert to fraction form
    256,183.45/353,245.62 = 165,420.21/x
  3. Step 3: Cross multiply
    256,183.45x = 353,245.62 × 165,420.21
  4. Step 4: Simplify right side
    256,183.45x = 58,433,964,641.98
  5. Step 5: Solve for x
    x = 58,433,964,641.98/256,183.45
  6. Step 6: Final answer
    x = 228,094.22

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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.