Home / 170,302.14-255,453.03-80,323.86

Finding the Fourth Proportional to 170,302.14, 255,453.03 and 80,323.86

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Solution

The fourth proportional to 170,302.14, 255,453.03 and 80,323.86 is: 120,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,302.14 : 255,453.03 = 80,323.86 : x
  2. Step 2: Convert to fraction form
    170,302.14/255,453.03 = 80,323.86/x
  3. Step 3: Cross multiply
    170,302.14x = 255,453.03 × 80,323.86
  4. Step 4: Simplify right side
    170,302.14x = 20,518,973,418.30
  5. Step 5: Solve for x
    x = 20,518,973,418.30/170,302.14
  6. Step 6: Final answer
    x = 120,485.71

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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.