Finding the Fourth Proportional to 202,206.90, 303,164.55 and 132,125.70
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Solution
The fourth proportional to 202,206.90, 303,164.55 and 132,125.70 is: 198,093.28
Step by Step Solution
- Step 1: Write the proportion equation
202,206.90 : 303,164.55 = 132,125.70 : x - Step 2: Convert to fraction form
202,206.90/303,164.55 = 132,125.70/x - Step 3: Cross multiply
202,206.90x = 303,164.55 × 132,125.70 - Step 4: Simplify right side
202,206.90x = 40,055,828,383.94 - Step 5: Solve for x
x = 40,055,828,383.94/202,206.90 - Step 6: Final answer
x = 198,093.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.