Finding the Fourth Proportional to 193,121.61, 266,454.99 and 115,566.03
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Solution
The fourth proportional to 193,121.61, 266,454.99 and 115,566.03 is: 159,449.51
Step by Step Solution
- Step 1: Write the proportion equation
193,121.61 : 266,454.99 = 115,566.03 : x - Step 2: Convert to fraction form
193,121.61/266,454.99 = 115,566.03/x - Step 3: Cross multiply
193,121.61x = 266,454.99 × 115,566.03 - Step 4: Simplify right side
193,121.61x = 30,793,145,367.99 - Step 5: Solve for x
x = 30,793,145,367.99/193,121.61 - Step 6: Final answer
x = 159,449.51
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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.