Home / 262,325.75-393,492.14-82,405.31

Finding the Fourth Proportional to 262,325.75, 393,492.14 and 82,405.31

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Solution

The fourth proportional to 262,325.75, 393,492.14 and 82,405.31 is: 123,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,325.75 : 393,492.14 = 82,405.31 : x
  2. Step 2: Convert to fraction form
    262,325.75/393,492.14 = 82,405.31/x
  3. Step 3: Cross multiply
    262,325.75x = 393,492.14 × 82,405.31
  4. Step 4: Simplify right side
    262,325.75x = 32,425,841,367.24
  5. Step 5: Solve for x
    x = 32,425,841,367.24/262,325.75
  6. Step 6: Final answer
    x = 123,609.07

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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.