Home / 213,476.24-320,177.27-80,357.54

Finding the Fourth Proportional to 213,476.24, 320,177.27 and 80,357.54

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Solution

The fourth proportional to 213,476.24, 320,177.27 and 80,357.54 is: 120,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,476.24 : 320,177.27 = 80,357.54 : x
  2. Step 2: Convert to fraction form
    213,476.24/320,177.27 = 80,357.54/x
  3. Step 3: Cross multiply
    213,476.24x = 320,177.27 × 80,357.54
  4. Step 4: Simplify right side
    213,476.24x = 25,728,656,381.12
  5. Step 5: Solve for x
    x = 25,728,656,381.12/213,476.24
  6. Step 6: Final answer
    x = 120,522.34

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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.