Finding the Fourth Proportional to 192,879.09, 266,167.28 and 106,834.68
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Solution
The fourth proportional to 192,879.09, 266,167.28 and 106,834.68 is: 147,428.61
Step by Step Solution
- Step 1: Write the proportion equation
192,879.09 : 266,167.28 = 106,834.68 : x - Step 2: Convert to fraction form
192,879.09/266,167.28 = 106,834.68/x - Step 3: Cross multiply
192,879.09x = 266,167.28 × 106,834.68 - Step 4: Simplify right side
192,879.09x = 28,435,896,452.36 - Step 5: Solve for x
x = 28,435,896,452.36/192,879.09 - Step 6: Final answer
x = 147,428.61
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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.