Home / 259,365.06-389,043.72-158,192.82

Finding the Fourth Proportional to 259,365.06, 389,043.72 and 158,192.82

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Solution

The fourth proportional to 259,365.06, 389,043.72 and 158,192.82 is: 237,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,365.06 : 389,043.72 = 158,192.82 : x
  2. Step 2: Convert to fraction form
    259,365.06/389,043.72 = 158,192.82/x
  3. Step 3: Cross multiply
    259,365.06x = 389,043.72 × 158,192.82
  4. Step 4: Simplify right side
    259,365.06x = 61,543,923,170.09
  5. Step 5: Solve for x
    x = 61,543,923,170.09/259,365.06
  6. Step 6: Final answer
    x = 237,286.87

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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.