Home / 156,131.68-234,222-50,926.36

Finding the Fourth Proportional to 156,131.68, 234,222 and 50,926.36

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Solution

The fourth proportional to 156,131.68, 234,222 and 50,926.36 is: 76,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,131.68 : 234,222 = 50,926.36 : x
  2. Step 2: Convert to fraction form
    156,131.68/234,222 = 50,926.36/x
  3. Step 3: Cross multiply
    156,131.68x = 234,222 × 50,926.36
  4. Step 4: Simplify right side
    156,131.68x = 11,928,073,891.92
  5. Step 5: Solve for x
    x = 11,928,073,891.92/156,131.68
  6. Step 6: Final answer
    x = 76,397.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.