Finding the Fourth Proportional to 192,817.76, 266,020.08 and 125,633.12
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Solution
The fourth proportional to 192,817.76, 266,020.08 and 125,633.12 is: 173,329.12
Step by Step Solution
- Step 1: Write the proportion equation
192,817.76 : 266,020.08 = 125,633.12 : x - Step 2: Convert to fraction form
192,817.76/266,020.08 = 125,633.12/x - Step 3: Cross multiply
192,817.76x = 266,020.08 × 125,633.12 - Step 4: Simplify right side
192,817.76x = 33,420,932,633.05 - Step 5: Solve for x
x = 33,420,932,633.05/192,817.76 - Step 6: Final answer
x = 173,329.12
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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.