Finding the Fourth Proportional to 225,754.58, 311,497.39 and 133,856.84
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Solution
The fourth proportional to 225,754.58, 311,497.39 and 133,856.84 is: 184,696.39
Step by Step Solution
- Step 1: Write the proportion equation
225,754.58 : 311,497.39 = 133,856.84 : x - Step 2: Convert to fraction form
225,754.58/311,497.39 = 133,856.84/x - Step 3: Cross multiply
225,754.58x = 311,497.39 × 133,856.84 - Step 4: Simplify right side
225,754.58x = 41,696,056,293.65 - Step 5: Solve for x
x = 41,696,056,293.65/225,754.58 - Step 6: Final answer
x = 184,696.39
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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.