Home / 260,040.33-389,394.54-179,967.42

Finding the Fourth Proportional to 260,040.33, 389,394.54 and 179,967.42

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Solution

The fourth proportional to 260,040.33, 389,394.54 and 179,967.42 is: 269,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,040.33 : 389,394.54 = 179,967.42 : x
  2. Step 2: Convert to fraction form
    260,040.33/389,394.54 = 179,967.42/x
  3. Step 3: Cross multiply
    260,040.33x = 389,394.54 × 179,967.42
  4. Step 4: Simplify right side
    260,040.33x = 70,078,330,725.89
  5. Step 5: Solve for x
    x = 70,078,330,725.89/260,040.33
  6. Step 6: Final answer
    x = 269,490.24

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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.