Finding the Fourth Proportional to 248,833.24, 343,390.04 and 135,655.99
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Solution
The fourth proportional to 248,833.24, 343,390.04 and 135,655.99 is: 187,205.36
Step by Step Solution
- Step 1: Write the proportion equation
248,833.24 : 343,390.04 = 135,655.99 : x - Step 2: Convert to fraction form
248,833.24/343,390.04 = 135,655.99/x - Step 3: Cross multiply
248,833.24x = 343,390.04 × 135,655.99 - Step 4: Simplify right side
248,833.24x = 46,582,915,832.34 - Step 5: Solve for x
x = 46,582,915,832.34/248,833.24 - Step 6: Final answer
x = 187,205.36
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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.