Home / 321,236.15-482,072.18-171,583.92

Finding the Fourth Proportional to 321,236.15, 482,072.18 and 171,583.92

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Solution

The fourth proportional to 321,236.15, 482,072.18 and 171,583.92 is: 257,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,236.15 : 482,072.18 = 171,583.92 : x
  2. Step 2: Convert to fraction form
    321,236.15/482,072.18 = 171,583.92/x
  3. Step 3: Cross multiply
    321,236.15x = 482,072.18 × 171,583.92
  4. Step 4: Simplify right side
    321,236.15x = 82,715,833,509.43
  5. Step 5: Solve for x
    x = 82,715,833,509.43/321,236.15
  6. Step 6: Final answer
    x = 257,492.30

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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.