Home / 326,865.14-490,016.86-113,605.35

Finding the Fourth Proportional to 326,865.14, 490,016.86 and 113,605.35

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Solution

The fourth proportional to 326,865.14, 490,016.86 and 113,605.35 is: 170,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,865.14 : 490,016.86 = 113,605.35 : x
  2. Step 2: Convert to fraction form
    326,865.14/490,016.86 = 113,605.35/x
  3. Step 3: Cross multiply
    326,865.14x = 490,016.86 × 113,605.35
  4. Step 4: Simplify right side
    326,865.14x = 55,668,535,190.64
  5. Step 5: Solve for x
    x = 55,668,535,190.64/326,865.14
  6. Step 6: Final answer
    x = 170,310.41

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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.