Home / 217,786.88-326,913.60-171,364.16

Finding the Fourth Proportional to 217,786.88, 326,913.60 and 171,364.16

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Solution

The fourth proportional to 217,786.88, 326,913.60 and 171,364.16 is: 257,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,786.88 : 326,913.60 = 171,364.16 : x
  2. Step 2: Convert to fraction form
    217,786.88/326,913.60 = 171,364.16/x
  3. Step 3: Cross multiply
    217,786.88x = 326,913.60 × 171,364.16
  4. Step 4: Simplify right side
    217,786.88x = 56,021,274,456.58
  5. Step 5: Solve for x
    x = 56,021,274,456.58/217,786.88
  6. Step 6: Final answer
    x = 257,229.79

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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.