Finding the Fourth Proportional to 268,678.68, 370,768.75 and 146,167.26
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Solution
The fourth proportional to 268,678.68, 370,768.75 and 146,167.26 is: 201,706.56
Step by Step Solution
- Step 1: Write the proportion equation
268,678.68 : 370,768.75 = 146,167.26 : x - Step 2: Convert to fraction form
268,678.68/370,768.75 = 146,167.26/x - Step 3: Cross multiply
268,678.68x = 370,768.75 × 146,167.26 - Step 4: Simplify right side
268,678.68x = 54,194,252,281.13 - Step 5: Solve for x
x = 54,194,252,281.13/268,678.68 - Step 6: Final answer
x = 201,706.56
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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.