Finding the Fourth Proportional to 192,902.84, 266,203.02 and 106,861.55
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Solution
The fourth proportional to 192,902.84, 266,203.02 and 106,861.55 is: 147,467.33
Step by Step Solution
- Step 1: Write the proportion equation
192,902.84 : 266,203.02 = 106,861.55 : x - Step 2: Convert to fraction form
192,902.84/266,203.02 = 106,861.55/x - Step 3: Cross multiply
192,902.84x = 266,203.02 × 106,861.55 - Step 4: Simplify right side
192,902.84x = 28,446,867,331.88 - Step 5: Solve for x
x = 28,446,867,331.88/192,902.84 - Step 6: Final answer
x = 147,467.33
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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.