Home / 259,533.15-389,299.73-82,094.55

Finding the Fourth Proportional to 259,533.15, 389,299.73 and 82,094.55

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Solution

The fourth proportional to 259,533.15, 389,299.73 and 82,094.55 is: 123,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,533.15 : 389,299.73 = 82,094.55 : x
  2. Step 2: Convert to fraction form
    259,533.15/389,299.73 = 82,094.55/x
  3. Step 3: Cross multiply
    259,533.15x = 389,299.73 × 82,094.55
  4. Step 4: Simplify right side
    259,533.15x = 31,959,385,739.00
  5. Step 5: Solve for x
    x = 31,959,385,739.00/259,533.15
  6. Step 6: Final answer
    x = 123,141.83

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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.