Finding the Fourth Proportional to 177,990.66, 245,621.08 and 97,416.44
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Solution
The fourth proportional to 177,990.66, 245,621.08 and 97,416.44 is: 134,431.39
Step by Step Solution
- Step 1: Write the proportion equation
177,990.66 : 245,621.08 = 97,416.44 : x - Step 2: Convert to fraction form
177,990.66/245,621.08 = 97,416.44/x - Step 3: Cross multiply
177,990.66x = 245,621.08 × 97,416.44 - Step 4: Simplify right side
177,990.66x = 23,927,531,202.56 - Step 5: Solve for x
x = 23,927,531,202.56/177,990.66 - Step 6: Final answer
x = 134,431.39
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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.