Home / 170,081.80-255,149.70-57,772.60

Finding the Fourth Proportional to 170,081.80, 255,149.70 and 57,772.60

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Solution

The fourth proportional to 170,081.80, 255,149.70 and 57,772.60 is: 86,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,081.80 : 255,149.70 = 57,772.60 : x
  2. Step 2: Convert to fraction form
    170,081.80/255,149.70 = 57,772.60/x
  3. Step 3: Cross multiply
    170,081.80x = 255,149.70 × 57,772.60
  4. Step 4: Simplify right side
    170,081.80x = 14,740,661,558.22
  5. Step 5: Solve for x
    x = 14,740,661,558.22/170,081.80
  6. Step 6: Final answer
    x = 86,668.07

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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.