Finding the Fourth Proportional to 592,867.19, 889,325.39 and 172,143.07
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Solution
The fourth proportional to 592,867.19, 889,325.39 and 172,143.07 is: 258,221.75
Step by Step Solution
- Step 1: Write the proportion equation
592,867.19 : 889,325.39 = 172,143.07 : x - Step 2: Convert to fraction form
592,867.19/889,325.39 = 172,143.07/x - Step 3: Cross multiply
592,867.19x = 889,325.39 × 172,143.07 - Step 4: Simplify right side
592,867.19x = 153,091,201,070.59 - Step 5: Solve for x
x = 153,091,201,070.59/592,867.19 - Step 6: Final answer
x = 258,221.75
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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.