Home / 320,166.14-480,231.82-162,390.46

Finding the Fourth Proportional to 320,166.14, 480,231.82 and 162,390.46

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Solution

The fourth proportional to 320,166.14, 480,231.82 and 162,390.46 is: 243,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,166.14 : 480,231.82 = 162,390.46 : x
  2. Step 2: Convert to fraction form
    320,166.14/480,231.82 = 162,390.46/x
  3. Step 3: Cross multiply
    320,166.14x = 480,231.82 × 162,390.46
  4. Step 4: Simplify right side
    320,166.14x = 77,985,066,156.44
  5. Step 5: Solve for x
    x = 77,985,066,156.44/320,166.14
  6. Step 6: Final answer
    x = 243,576.87

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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.