Finding the Fourth Proportional to 235,468.20, 324,929.16 and 133,495.68
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Solution
The fourth proportional to 235,468.20, 324,929.16 and 133,495.68 is: 184,214.43
Step by Step Solution
- Step 1: Write the proportion equation
235,468.20 : 324,929.16 = 133,495.68 : x - Step 2: Convert to fraction form
235,468.20/324,929.16 = 133,495.68/x - Step 3: Cross multiply
235,468.20x = 324,929.16 × 133,495.68 - Step 4: Simplify right side
235,468.20x = 43,376,639,166.03 - Step 5: Solve for x
x = 43,376,639,166.03/235,468.20 - Step 6: Final answer
x = 184,214.43
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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.