Home / 256,027.05-353,309.99-142,847.37

Finding the Fourth Proportional to 256,027.05, 353,309.99 and 142,847.37

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Solution

The fourth proportional to 256,027.05, 353,309.99 and 142,847.37 is: 197,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,027.05 : 353,309.99 = 142,847.37 : x
  2. Step 2: Convert to fraction form
    256,027.05/353,309.99 = 142,847.37/x
  3. Step 3: Cross multiply
    256,027.05x = 353,309.99 × 142,847.37
  4. Step 4: Simplify right side
    256,027.05x = 50,469,402,151.99
  5. Step 5: Solve for x
    x = 50,469,402,151.99/256,027.05
  6. Step 6: Final answer
    x = 197,125.27

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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.