Finding the Fourth Proportional to 193,231.90, 266,663.10 and 125,276.14
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Solution
The fourth proportional to 193,231.90, 266,663.10 and 125,276.14 is: 172,883.07
Step by Step Solution
- Step 1: Write the proportion equation
193,231.90 : 266,663.10 = 125,276.14 : x - Step 2: Convert to fraction form
193,231.90/266,663.10 = 125,276.14/x - Step 3: Cross multiply
193,231.90x = 266,663.10 × 125,276.14 - Step 4: Simplify right side
193,231.90x = 33,406,523,848.43 - Step 5: Solve for x
x = 33,406,523,848.43/193,231.90 - Step 6: Final answer
x = 172,883.07
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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.