Finding the Fourth Proportional to 540,727.95, 811,137.94 and 141,368.08
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Solution
The fourth proportional to 540,727.95, 811,137.94 and 141,368.08 is: 212,064.15
Step by Step Solution
- Step 1: Write the proportion equation
540,727.95 : 811,137.94 = 141,368.08 : x - Step 2: Convert to fraction form
540,727.95/811,137.94 = 141,368.08/x - Step 3: Cross multiply
540,727.95x = 811,137.94 × 141,368.08 - Step 4: Simplify right side
540,727.95x = 114,669,013,192.96 - Step 5: Solve for x
x = 114,669,013,192.96/540,727.95 - Step 6: Final answer
x = 212,064.15
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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.