Finding the Fourth Proportional to 147,922.12, 204,132.52 and 84,296.84
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Solution
The fourth proportional to 147,922.12, 204,132.52 and 84,296.84 is: 116,329.64
Step by Step Solution
- Step 1: Write the proportion equation
147,922.12 : 204,132.52 = 84,296.84 : x - Step 2: Convert to fraction form
147,922.12/204,132.52 = 84,296.84/x - Step 3: Cross multiply
147,922.12x = 204,132.52 × 84,296.84 - Step 4: Simplify right side
147,922.12x = 17,207,726,377.24 - Step 5: Solve for x
x = 17,207,726,377.24/147,922.12 - Step 6: Final answer
x = 116,329.64
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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.