Finding the Fourth Proportional to 146,176.75, 201,723.93 and 79,108.75
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Solution
The fourth proportional to 146,176.75, 201,723.93 and 79,108.75 is: 109,170.08
Step by Step Solution
- Step 1: Write the proportion equation
146,176.75 : 201,723.93 = 79,108.75 : x - Step 2: Convert to fraction form
146,176.75/201,723.93 = 79,108.75/x - Step 3: Cross multiply
146,176.75x = 201,723.93 × 79,108.75 - Step 4: Simplify right side
146,176.75x = 15,958,127,947.39 - Step 5: Solve for x
x = 15,958,127,947.39/146,176.75 - Step 6: Final answer
x = 109,170.08
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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.