Finding the Fourth Proportional to 242,110.98, 334,129.68 and 134,690.94
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Solution
The fourth proportional to 242,110.98, 334,129.68 and 134,690.94 is: 185,882.69
Step by Step Solution
- Step 1: Write the proportion equation
242,110.98 : 334,129.68 = 134,690.94 : x - Step 2: Convert to fraction form
242,110.98/334,129.68 = 134,690.94/x - Step 3: Cross multiply
242,110.98x = 334,129.68 × 134,690.94 - Step 4: Simplify right side
242,110.98x = 45,004,240,681.10 - Step 5: Solve for x
x = 45,004,240,681.10/242,110.98 - Step 6: Final answer
x = 185,882.69
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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.