Home / 173,108.18-258,979.01-131,109.27

Finding the Fourth Proportional to 173,108.18, 258,979.01 and 131,109.27

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Solution

The fourth proportional to 173,108.18, 258,979.01 and 131,109.27 is: 196,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,108.18 : 258,979.01 = 131,109.27 : x
  2. Step 2: Convert to fraction form
    173,108.18/258,979.01 = 131,109.27/x
  3. Step 3: Cross multiply
    173,108.18x = 258,979.01 × 131,109.27
  4. Step 4: Simplify right side
    173,108.18x = 33,954,548,290.88
  5. Step 5: Solve for x
    x = 33,954,548,290.88/173,108.18
  6. Step 6: Final answer
    x = 196,146.42

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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.