Home / 259,844.41-389,889.99-180,005.25

Finding the Fourth Proportional to 259,844.41, 389,889.99 and 180,005.25

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Solution

The fourth proportional to 259,844.41, 389,889.99 and 180,005.25 is: 270,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,844.41 : 389,889.99 = 180,005.25 : x
  2. Step 2: Convert to fraction form
    259,844.41/389,889.99 = 180,005.25/x
  3. Step 3: Cross multiply
    259,844.41x = 389,889.99 × 180,005.25
  4. Step 4: Simplify right side
    259,844.41x = 70,182,245,122.45
  5. Step 5: Solve for x
    x = 70,182,245,122.45/259,844.41
  6. Step 6: Final answer
    x = 270,093.34

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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.