Finding the Fourth Proportional to 317,083.74, 475,698.81 and 106,716.54
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Solution
The fourth proportional to 317,083.74, 475,698.81 and 106,716.54 is: 160,099.45
Step by Step Solution
- Step 1: Write the proportion equation
317,083.74 : 475,698.81 = 106,716.54 : x - Step 2: Convert to fraction form
317,083.74/475,698.81 = 106,716.54/x - Step 3: Cross multiply
317,083.74x = 475,698.81 × 106,716.54 - Step 4: Simplify right side
317,083.74x = 50,764,931,085.32 - Step 5: Solve for x
x = 50,764,931,085.32/317,083.74 - Step 6: Final answer
x = 160,099.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.