Finding the Fourth Proportional to 135,950.90, 203,926.35 and 104,421.65
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Solution
The fourth proportional to 135,950.90, 203,926.35 and 104,421.65 is: 156,632.48
Step by Step Solution
- Step 1: Write the proportion equation
135,950.90 : 203,926.35 = 104,421.65 : x - Step 2: Convert to fraction form
135,950.90/203,926.35 = 104,421.65/x - Step 3: Cross multiply
135,950.90x = 203,926.35 × 104,421.65 - Step 4: Simplify right side
135,950.90x = 21,294,325,945.48 - Step 5: Solve for x
x = 21,294,325,945.48/135,950.90 - Step 6: Final answer
x = 156,632.48
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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.