Finding the Fourth Proportional to 515,124.48, 772,796.16 and 160,129.92
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Solution
The fourth proportional to 515,124.48, 772,796.16 and 160,129.92 is: 240,228.90
Step by Step Solution
- Step 1: Write the proportion equation
515,124.48 : 772,796.16 = 160,129.92 : x - Step 2: Convert to fraction form
515,124.48/772,796.16 = 160,129.92/x - Step 3: Cross multiply
515,124.48x = 772,796.16 × 160,129.92 - Step 4: Simplify right side
515,124.48x = 123,747,787,277.11 - Step 5: Solve for x
x = 123,747,787,277.11/515,124.48 - Step 6: Final answer
x = 240,228.90
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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.