Finding the Fourth Proportional to 112,098.26, 167,404.35 and 98,516.99
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Solution
The fourth proportional to 112,098.26, 167,404.35 and 98,516.99 is: 147,122.47
Step by Step Solution
- Step 1: Write the proportion equation
112,098.26 : 167,404.35 = 98,516.99 : x - Step 2: Convert to fraction form
112,098.26/167,404.35 = 98,516.99/x - Step 3: Cross multiply
112,098.26x = 167,404.35 × 98,516.99 - Step 4: Simplify right side
112,098.26x = 16,492,171,837.88 - Step 5: Solve for x
x = 16,492,171,837.88/112,098.26 - Step 6: Final answer
x = 147,122.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.