Finding the Fourth Proportional to 314,357.49, 433,795.68 and 171,108.99
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Solution
The fourth proportional to 314,357.49, 433,795.68 and 171,108.99 is: 236,120.80
Step by Step Solution
- Step 1: Write the proportion equation
314,357.49 : 433,795.68 = 171,108.99 : x - Step 2: Convert to fraction form
314,357.49/433,795.68 = 171,108.99/x - Step 3: Cross multiply
314,357.49x = 433,795.68 × 171,108.99 - Step 4: Simplify right side
314,357.49x = 74,226,340,671.16 - Step 5: Solve for x
x = 74,226,340,671.16/314,357.49 - Step 6: Final answer
x = 236,120.80
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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.