Finding the Fourth Proportional to 167,972.49, 231,802.02 and 92,520.99
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Solution
The fourth proportional to 167,972.49, 231,802.02 and 92,520.99 is: 127,678.96
Step by Step Solution
- Step 1: Write the proportion equation
167,972.49 : 231,802.02 = 92,520.99 : x - Step 2: Convert to fraction form
167,972.49/231,802.02 = 92,520.99/x - Step 3: Cross multiply
167,972.49x = 231,802.02 × 92,520.99 - Step 4: Simplify right side
167,972.49x = 21,446,552,374.40 - Step 5: Solve for x
x = 21,446,552,374.40/167,972.49 - Step 6: Final answer
x = 127,678.96
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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.