Home / 170,666.22-255,791.43-120,760.50

Finding the Fourth Proportional to 170,666.22, 255,791.43 and 120,760.50

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Solution

The fourth proportional to 170,666.22, 255,791.43 and 120,760.50 is: 180,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,666.22 : 255,791.43 = 120,760.50 : x
  2. Step 2: Convert to fraction form
    170,666.22/255,791.43 = 120,760.50/x
  3. Step 3: Cross multiply
    170,666.22x = 255,791.43 × 120,760.50
  4. Step 4: Simplify right side
    170,666.22x = 30,889,500,982.52
  5. Step 5: Solve for x
    x = 30,889,500,982.52/170,666.22
  6. Step 6: Final answer
    x = 180,993.64

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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.