Finding the Fourth Proportional to 279,811.53, 419,841.23 and 146,660.13
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Solution
The fourth proportional to 279,811.53, 419,841.23 and 146,660.13 is: 220,055.15
Step by Step Solution
- Step 1: Write the proportion equation
279,811.53 : 419,841.23 = 146,660.13 : x - Step 2: Convert to fraction form
279,811.53/419,841.23 = 146,660.13/x - Step 3: Cross multiply
279,811.53x = 419,841.23 × 146,660.13 - Step 4: Simplify right side
279,811.53x = 61,573,968,637.86 - Step 5: Solve for x
x = 61,573,968,637.86/279,811.53 - Step 6: Final answer
x = 220,055.15
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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.