Home / 191,163.56-263,819.58-114,686

Finding the Fourth Proportional to 191,163.56, 263,819.58 and 114,686

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Solution

The fourth proportional to 191,163.56, 263,819.58 and 114,686 is: 158,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,163.56 : 263,819.58 = 114,686 : x
  2. Step 2: Convert to fraction form
    191,163.56/263,819.58 = 114,686/x
  3. Step 3: Cross multiply
    191,163.56x = 263,819.58 × 114,686
  4. Step 4: Simplify right side
    191,163.56x = 30,256,412,351.88
  5. Step 5: Solve for x
    x = 30,256,412,351.88/191,163.56
  6. Step 6: Final answer
    x = 158,275.00

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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.