Finding the Fourth Proportional to 232,752.96, 321,184.80 and 137,263.68
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Solution
The fourth proportional to 232,752.96, 321,184.80 and 137,263.68 is: 189,415.45
Step by Step Solution
- Step 1: Write the proportion equation
232,752.96 : 321,184.80 = 137,263.68 : x - Step 2: Convert to fraction form
232,752.96/321,184.80 = 137,263.68/x - Step 3: Cross multiply
232,752.96x = 321,184.80 × 137,263.68 - Step 4: Simplify right side
232,752.96x = 44,087,007,608.06 - Step 5: Solve for x
x = 44,087,007,608.06/232,752.96 - Step 6: Final answer
x = 189,415.45
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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.