Finding the Fourth Proportional to 192,976.74, 266,437.86 and 120,489.99
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Solution
The fourth proportional to 192,976.74, 266,437.86 and 120,489.99 is: 166,357.33
Step by Step Solution
- Step 1: Write the proportion equation
192,976.74 : 266,437.86 = 120,489.99 : x - Step 2: Convert to fraction form
192,976.74/266,437.86 = 120,489.99/x - Step 3: Cross multiply
192,976.74x = 266,437.86 × 120,489.99 - Step 4: Simplify right side
192,976.74x = 32,103,095,087.02 - Step 5: Solve for x
x = 32,103,095,087.02/192,976.74 - Step 6: Final answer
x = 166,357.33
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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.