Home / 320,846.18-481,742.37-178,968.65

Finding the Fourth Proportional to 320,846.18, 481,742.37 and 178,968.65

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Solution

The fourth proportional to 320,846.18, 481,742.37 and 178,968.65 is: 268,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,846.18 : 481,742.37 = 178,968.65 : x
  2. Step 2: Convert to fraction form
    320,846.18/481,742.37 = 178,968.65/x
  3. Step 3: Cross multiply
    320,846.18x = 481,742.37 × 178,968.65
  4. Step 4: Simplify right side
    320,846.18x = 86,216,779,197.99
  5. Step 5: Solve for x
    x = 86,216,779,197.99/320,846.18
  6. Step 6: Final answer
    x = 268,716.87

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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.