Finding the Fourth Proportional to 162,775.70, 244,163.55 and 159,859.70
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Solution
The fourth proportional to 162,775.70, 244,163.55 and 159,859.70 is: 239,789.55
Step by Step Solution
- Step 1: Write the proportion equation
162,775.70 : 244,163.55 = 159,859.70 : x - Step 2: Convert to fraction form
162,775.70/244,163.55 = 159,859.70/x - Step 3: Cross multiply
162,775.70x = 244,163.55 × 159,859.70 - Step 4: Simplify right side
162,775.70x = 39,031,911,853.94 - Step 5: Solve for x
x = 39,031,911,853.94/162,775.70 - Step 6: Final answer
x = 239,789.55
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1.5x scale
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.