Finding the Fourth Proportional to 542,710.53, 814,104.99 and 143,346.11
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Solution
The fourth proportional to 542,710.53, 814,104.99 and 143,346.11 is: 215,029.52
Step by Step Solution
- Step 1: Write the proportion equation
542,710.53 : 814,104.99 = 143,346.11 : x - Step 2: Convert to fraction form
542,710.53/814,104.99 = 143,346.11/x - Step 3: Cross multiply
542,710.53x = 814,104.99 × 143,346.11 - Step 4: Simplify right side
542,710.53x = 116,698,783,448.09 - Step 5: Solve for x
x = 116,698,783,448.09/542,710.53 - Step 6: Final answer
x = 215,029.52
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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.