Finding the Fourth Proportional to 314,088.49, 433,519.10 and 178,201.99
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Solution
The fourth proportional to 314,088.49, 433,519.10 and 178,201.99 is: 245,962.42
Step by Step Solution
- Step 1: Write the proportion equation
314,088.49 : 433,519.10 = 178,201.99 : x - Step 2: Convert to fraction form
314,088.49/433,519.10 = 178,201.99/x - Step 3: Cross multiply
314,088.49x = 433,519.10 × 178,201.99 - Step 4: Simplify right side
314,088.49x = 77,253,966,323.01 - Step 5: Solve for x
x = 77,253,966,323.01/314,088.49 - Step 6: Final answer
x = 245,962.42
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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.