Home / 293,961.78-405,867.60-197,310.60

Finding the Fourth Proportional to 293,961.78, 405,867.60 and 197,310.60

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Solution

The fourth proportional to 293,961.78, 405,867.60 and 197,310.60 is: 272,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,961.78 : 405,867.60 = 197,310.60 : x
  2. Step 2: Convert to fraction form
    293,961.78/405,867.60 = 197,310.60/x
  3. Step 3: Cross multiply
    293,961.78x = 405,867.60 × 197,310.60
  4. Step 4: Simplify right side
    293,961.78x = 80,081,979,676.56
  5. Step 5: Solve for x
    x = 80,081,979,676.56/293,961.78
  6. Step 6: Final answer
    x = 272,423.10

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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.