Finding the Fourth Proportional to 224,384.47, 309,629.04 and 123,775.99
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Solution
The fourth proportional to 224,384.47, 309,629.04 and 123,775.99 is: 170,798.99
Step by Step Solution
- Step 1: Write the proportion equation
224,384.47 : 309,629.04 = 123,775.99 : x - Step 2: Convert to fraction form
224,384.47/309,629.04 = 123,775.99/x - Step 3: Cross multiply
224,384.47x = 309,629.04 × 123,775.99 - Step 4: Simplify right side
224,384.47x = 38,324,640,958.75 - Step 5: Solve for x
x = 38,324,640,958.75/224,384.47 - Step 6: Final answer
x = 170,798.99
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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.