Finding the Fourth Proportional to 169,574.08, 234,015.16 and 93,100.28
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Solution
The fourth proportional to 169,574.08, 234,015.16 and 93,100.28 is: 128,479.99
Step by Step Solution
- Step 1: Write the proportion equation
169,574.08 : 234,015.16 = 93,100.28 : x - Step 2: Convert to fraction form
169,574.08/234,015.16 = 93,100.28/x - Step 3: Cross multiply
169,574.08x = 234,015.16 × 93,100.28 - Step 4: Simplify right side
169,574.08x = 21,786,876,920.24 - Step 5: Solve for x
x = 21,786,876,920.24/169,574.08 - Step 6: Final answer
x = 128,479.99
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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.