Home / 170,684.24-255,951.68-90,704.80

Finding the Fourth Proportional to 170,684.24, 255,951.68 and 90,704.80

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Solution

The fourth proportional to 170,684.24, 255,951.68 and 90,704.80 is: 136,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,684.24 : 255,951.68 = 90,704.80 : x
  2. Step 2: Convert to fraction form
    170,684.24/255,951.68 = 90,704.80/x
  3. Step 3: Cross multiply
    170,684.24x = 255,951.68 × 90,704.80
  4. Step 4: Simplify right side
    170,684.24x = 23,216,045,944.06
  5. Step 5: Solve for x
    x = 23,216,045,944.06/170,684.24
  6. Step 6: Final answer
    x = 136,017.51

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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.