Home / 256,542.21-353,997.57-141,805.35

Finding the Fourth Proportional to 256,542.21, 353,997.57 and 141,805.35

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Solution

The fourth proportional to 256,542.21, 353,997.57 and 141,805.35 is: 195,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,542.21 : 353,997.57 = 141,805.35 : x
  2. Step 2: Convert to fraction form
    256,542.21/353,997.57 = 141,805.35/x
  3. Step 3: Cross multiply
    256,542.21x = 353,997.57 × 141,805.35
  4. Step 4: Simplify right side
    256,542.21x = 50,198,749,313.00
  5. Step 5: Solve for x
    x = 50,198,749,313.00/256,542.21
  6. Step 6: Final answer
    x = 195,674.42

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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.