Finding the Fourth Proportional to 146,603.74, 202,313.56 and 79,535.74
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Solution
The fourth proportional to 146,603.74, 202,313.56 and 79,535.74 is: 109,759.54
Step by Step Solution
- Step 1: Write the proportion equation
146,603.74 : 202,313.56 = 79,535.74 : x - Step 2: Convert to fraction form
146,603.74/202,313.56 = 79,535.74/x - Step 3: Cross multiply
146,603.74x = 202,313.56 × 79,535.74 - Step 4: Simplify right side
146,603.74x = 16,091,158,706.63 - Step 5: Solve for x
x = 16,091,158,706.63/146,603.74 - Step 6: Final answer
x = 109,759.54
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1.5x scale
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.