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Finding the Fourth Proportional to 256,199.73, 353,555.58 and 143,022.48

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Solution

The fourth proportional to 256,199.73, 353,555.58 and 143,022.48 is: 197,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,199.73 : 353,555.58 = 143,022.48 : x
  2. Step 2: Convert to fraction form
    256,199.73/353,555.58 = 143,022.48/x
  3. Step 3: Cross multiply
    256,199.73x = 353,555.58 × 143,022.48
  4. Step 4: Simplify right side
    256,199.73x = 50,566,395,869.44
  5. Step 5: Solve for x
    x = 50,566,395,869.44/256,199.73
  6. Step 6: Final answer
    x = 197,371.00

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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.