Finding the Fourth Proportional to 301,959.31, 416,709.12 and 165,998.99
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Solution
The fourth proportional to 301,959.31, 416,709.12 and 165,998.99 is: 229,081.50
Step by Step Solution
- Step 1: Write the proportion equation
301,959.31 : 416,709.12 = 165,998.99 : x - Step 2: Convert to fraction form
301,959.31/416,709.12 = 165,998.99/x - Step 3: Cross multiply
301,959.31x = 416,709.12 × 165,998.99 - Step 4: Simplify right side
301,959.31x = 69,173,293,043.79 - Step 5: Solve for x
x = 69,173,293,043.79/301,959.31 - Step 6: Final answer
x = 229,081.50
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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.