Finding the Fourth Proportional to 146,795.44, 202,570.93 and 83,133.70
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Solution
The fourth proportional to 146,795.44, 202,570.93 and 83,133.70 is: 114,720.66
Step by Step Solution
- Step 1: Write the proportion equation
146,795.44 : 202,570.93 = 83,133.70 : x - Step 2: Convert to fraction form
146,795.44/202,570.93 = 83,133.70/x - Step 3: Cross multiply
146,795.44x = 202,570.93 × 83,133.70 - Step 4: Simplify right side
146,795.44x = 16,840,469,702.65 - Step 5: Solve for x
x = 16,840,469,702.65/146,795.44 - Step 6: Final answer
x = 114,720.66
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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.