Home / 256,163.55-353,511.32-141,441.89

Finding the Fourth Proportional to 256,163.55, 353,511.32 and 141,441.89

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Solution

The fourth proportional to 256,163.55, 353,511.32 and 141,441.89 is: 195,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,163.55 : 353,511.32 = 141,441.89 : x
  2. Step 2: Convert to fraction form
    256,163.55/353,511.32 = 141,441.89/x
  3. Step 3: Cross multiply
    256,163.55x = 353,511.32 × 141,441.89
  4. Step 4: Simplify right side
    256,163.55x = 50,001,309,149.00
  5. Step 5: Solve for x
    x = 50,001,309,149.00/256,163.55
  6. Step 6: Final answer
    x = 195,192.91

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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.