Home / 211,751.63-317,618.33-53,975.37

Finding the Fourth Proportional to 211,751.63, 317,618.33 and 53,975.37

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Solution

The fourth proportional to 211,751.63, 317,618.33 and 53,975.37 is: 80,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,751.63 : 317,618.33 = 53,975.37 : x
  2. Step 2: Convert to fraction form
    211,751.63/317,618.33 = 53,975.37/x
  3. Step 3: Cross multiply
    211,751.63x = 317,618.33 × 53,975.37
  4. Step 4: Simplify right side
    211,751.63x = 17,143,566,610.66
  5. Step 5: Solve for x
    x = 17,143,566,610.66/211,751.63
  6. Step 6: Final answer
    x = 80,960.73

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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.