Finding the Fourth Proportional to 291,177.41, 436,784.95 and 91,506.14
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Solution
The fourth proportional to 291,177.41, 436,784.95 and 91,506.14 is: 137,265.12
Step by Step Solution
- Step 1: Write the proportion equation
291,177.41 : 436,784.95 = 91,506.14 : x - Step 2: Convert to fraction form
291,177.41/436,784.95 = 91,506.14/x - Step 3: Cross multiply
291,177.41x = 436,784.95 × 91,506.14 - Step 4: Simplify right side
291,177.41x = 39,968,502,600.67 - Step 5: Solve for x
x = 39,968,502,600.67/291,177.41 - Step 6: Final answer
x = 137,265.12
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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.