Home / 188,668.27-260,366.27-103,785.33

Finding the Fourth Proportional to 188,668.27, 260,366.27 and 103,785.33

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Solution

The fourth proportional to 188,668.27, 260,366.27 and 103,785.33 is: 143,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,668.27 : 260,366.27 = 103,785.33 : x
  2. Step 2: Convert to fraction form
    188,668.27/260,366.27 = 103,785.33/x
  3. Step 3: Cross multiply
    188,668.27x = 260,366.27 × 103,785.33
  4. Step 4: Simplify right side
    188,668.27x = 27,022,199,710.27
  5. Step 5: Solve for x
    x = 27,022,199,710.27/188,668.27
  6. Step 6: Final answer
    x = 143,225.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.