Home / 217,390.08-325,845.76-163,910.60

Finding the Fourth Proportional to 217,390.08, 325,845.76 and 163,910.60

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Solution

The fourth proportional to 217,390.08, 325,845.76 and 163,910.60 is: 245,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,390.08 : 325,845.76 = 163,910.60 : x
  2. Step 2: Convert to fraction form
    217,390.08/325,845.76 = 163,910.60/x
  3. Step 3: Cross multiply
    217,390.08x = 325,845.76 × 163,910.60
  4. Step 4: Simplify right side
    217,390.08x = 53,409,574,029.06
  5. Step 5: Solve for x
    x = 53,409,574,029.06/217,390.08
  6. Step 6: Final answer
    x = 245,685.42

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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.