Finding the Fourth Proportional to 276,346, 381,357.48 and 157,114
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Solution
The fourth proportional to 276,346, 381,357.48 and 157,114 is: 216,817.32
Step by Step Solution
- Step 1: Write the proportion equation
276,346 : 381,357.48 = 157,114 : x - Step 2: Convert to fraction form
276,346/381,357.48 = 157,114/x - Step 3: Cross multiply
276,346x = 381,357.48 × 157,114 - Step 4: Simplify right side
276,346x = 59,916,599,112.72 - Step 5: Solve for x
x = 59,916,599,112.72/276,346 - Step 6: Final answer
x = 216,817.32
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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.