Finding the Fourth Proportional to 464,090.21, 696,135.88 and 127,133.76
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Solution
The fourth proportional to 464,090.21, 696,135.88 and 127,133.76 is: 190,700.79
Step by Step Solution
- Step 1: Write the proportion equation
464,090.21 : 696,135.88 = 127,133.76 : x - Step 2: Convert to fraction form
464,090.21/696,135.88 = 127,133.76/x - Step 3: Cross multiply
464,090.21x = 696,135.88 × 127,133.76 - Step 4: Simplify right side
464,090.21x = 88,502,371,895.31 - Step 5: Solve for x
x = 88,502,371,895.31/464,090.21 - Step 6: Final answer
x = 190,700.79
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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.