Finding the Fourth Proportional to 262,521, 362,278.98 and 143,289
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Solution
The fourth proportional to 262,521, 362,278.98 and 143,289 is: 197,738.82
Step by Step Solution
- Step 1: Write the proportion equation
262,521 : 362,278.98 = 143,289 : x - Step 2: Convert to fraction form
262,521/362,278.98 = 143,289/x - Step 3: Cross multiply
262,521x = 362,278.98 × 143,289 - Step 4: Simplify right side
262,521x = 51,910,592,765.22 - Step 5: Solve for x
x = 51,910,592,765.22/262,521 - Step 6: Final answer
x = 197,738.82
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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.