Finding the Fourth Proportional to 178,711.49, 246,413.50 and 133,310.65
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Solution
The fourth proportional to 178,711.49, 246,413.50 and 133,310.65 is: 183,813.27
Step by Step Solution
- Step 1: Write the proportion equation
178,711.49 : 246,413.50 = 133,310.65 : x - Step 2: Convert to fraction form
178,711.49/246,413.50 = 133,310.65/x - Step 3: Cross multiply
178,711.49x = 246,413.50 × 133,310.65 - Step 4: Simplify right side
178,711.49x = 32,849,543,187.22 - Step 5: Solve for x
x = 32,849,543,187.22/178,711.49 - Step 6: Final answer
x = 183,813.27
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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.