Finding the Fourth Proportional to 293,929.18, 440,872.35 and 131,873.41
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Solution
The fourth proportional to 293,929.18, 440,872.35 and 131,873.41 is: 197,800.50
Step by Step Solution
- Step 1: Write the proportion equation
293,929.18 : 440,872.35 = 131,873.41 : x - Step 2: Convert to fraction form
293,929.18/440,872.35 = 131,873.41/x - Step 3: Cross multiply
293,929.18x = 440,872.35 × 131,873.41 - Step 4: Simplify right side
293,929.18x = 58,139,338,487.66 - Step 5: Solve for x
x = 58,139,338,487.66/293,929.18 - Step 6: Final answer
x = 197,800.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.