Finding the Fourth Proportional to 193,203.20, 266,623.18 and 116,711.69
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Solution
The fourth proportional to 193,203.20, 266,623.18 and 116,711.69 is: 161,063.79
Step by Step Solution
- Step 1: Write the proportion equation
193,203.20 : 266,623.18 = 116,711.69 : x - Step 2: Convert to fraction form
193,203.20/266,623.18 = 116,711.69/x - Step 3: Cross multiply
193,203.20x = 266,623.18 × 116,711.69 - Step 4: Simplify right side
193,203.20x = 31,118,040,306.08 - Step 5: Solve for x
x = 31,118,040,306.08/193,203.20 - Step 6: Final answer
x = 161,063.79
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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.