Finding the Fourth Proportional to 160,597.14, 221,614.42 and 88,971.99
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Solution
The fourth proportional to 160,597.14, 221,614.42 and 88,971.99 is: 122,776.01
Step by Step Solution
- Step 1: Write the proportion equation
160,597.14 : 221,614.42 = 88,971.99 : x - Step 2: Convert to fraction form
160,597.14/221,614.42 = 88,971.99/x - Step 3: Cross multiply
160,597.14x = 221,614.42 × 88,971.99 - Step 4: Simplify right side
160,597.14x = 19,717,475,960.10 - Step 5: Solve for x
x = 19,717,475,960.10/160,597.14 - Step 6: Final answer
x = 122,776.01
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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.