Finding the Fourth Proportional to 192,877.17, 266,168.70 and 107,995.65
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Solution
The fourth proportional to 192,877.17, 266,168.70 and 107,995.65 is: 149,032.99
Step by Step Solution
- Step 1: Write the proportion equation
192,877.17 : 266,168.70 = 107,995.65 : x - Step 2: Convert to fraction form
192,877.17/266,168.70 = 107,995.65/x - Step 3: Cross multiply
192,877.17x = 266,168.70 × 107,995.65 - Step 4: Simplify right side
192,877.17x = 28,745,061,766.16 - Step 5: Solve for x
x = 28,745,061,766.16/192,877.17 - Step 6: Final answer
x = 149,032.99
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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.