Finding the Fourth Proportional to 243,173.44, 364,271.12 and 121,226.02
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Solution
The fourth proportional to 243,173.44, 364,271.12 and 121,226.02 is: 181,595.23
Step by Step Solution
- Step 1: Write the proportion equation
243,173.44 : 364,271.12 = 121,226.02 : x - Step 2: Convert to fraction form
243,173.44/364,271.12 = 121,226.02/x - Step 3: Cross multiply
243,173.44x = 364,271.12 × 121,226.02 - Step 4: Simplify right side
243,173.44x = 44,159,137,698.23 - Step 5: Solve for x
x = 44,159,137,698.23/243,173.44 - Step 6: Final answer
x = 181,595.23
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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.