Finding the Fourth Proportional to 207,257.70, 310,886.56 and 183,929.70
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Solution
The fourth proportional to 207,257.70, 310,886.56 and 183,929.70 is: 275,894.56
Step by Step Solution
- Step 1: Write the proportion equation
207,257.70 : 310,886.56 = 183,929.70 : x - Step 2: Convert to fraction form
207,257.70/310,886.56 = 183,929.70/x - Step 3: Cross multiply
207,257.70x = 310,886.56 × 183,929.70 - Step 4: Simplify right side
207,257.70x = 57,181,271,714.83 - Step 5: Solve for x
x = 57,181,271,714.83/207,257.70 - Step 6: Final answer
x = 275,894.56
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1.5x scale
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.