Finding the Fourth Proportional to 313,193.07, 432,207.60 and 169,953.15
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Solution
The fourth proportional to 313,193.07, 432,207.60 and 169,953.15 is: 234,535.98
Step by Step Solution
- Step 1: Write the proportion equation
313,193.07 : 432,207.60 = 169,953.15 : x - Step 2: Convert to fraction form
313,193.07/432,207.60 = 169,953.15/x - Step 3: Cross multiply
313,193.07x = 432,207.60 × 169,953.15 - Step 4: Simplify right side
313,193.07x = 73,455,043,073.94 - Step 5: Solve for x
x = 73,455,043,073.94/313,193.07 - Step 6: Final answer
x = 234,535.98
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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.