Finding the Fourth Proportional to 221,394.98, 332,318.46 and 162,054.38
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Solution
The fourth proportional to 221,394.98, 332,318.46 and 162,054.38 is: 243,246.99
Step by Step Solution
- Step 1: Write the proportion equation
221,394.98 : 332,318.46 = 162,054.38 : x - Step 2: Convert to fraction form
221,394.98/332,318.46 = 162,054.38/x - Step 3: Cross multiply
221,394.98x = 332,318.46 × 162,054.38 - Step 4: Simplify right side
221,394.98x = 53,853,661,997.85 - Step 5: Solve for x
x = 53,853,661,997.85/221,394.98 - Step 6: Final answer
x = 243,246.99
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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.