Home / 259,745.40-389,618.10-233,173.35

Finding the Fourth Proportional to 259,745.40, 389,618.10 and 233,173.35

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Solution

The fourth proportional to 259,745.40, 389,618.10 and 233,173.35 is: 349,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,745.40 : 389,618.10 = 233,173.35 : x
  2. Step 2: Convert to fraction form
    259,745.40/389,618.10 = 233,173.35/x
  3. Step 3: Cross multiply
    259,745.40x = 389,618.10 × 233,173.35
  4. Step 4: Simplify right side
    259,745.40x = 90,848,557,597.64
  5. Step 5: Solve for x
    x = 90,848,557,597.64/259,745.40
  6. Step 6: Final answer
    x = 349,760.03

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1.5x scale

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.