Home / 216,114.95-324,102.26-71,982.41

Finding the Fourth Proportional to 216,114.95, 324,102.26 and 71,982.41

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Solution

The fourth proportional to 216,114.95, 324,102.26 and 71,982.41 is: 107,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,114.95 : 324,102.26 = 71,982.41 : x
  2. Step 2: Convert to fraction form
    216,114.95/324,102.26 = 71,982.41/x
  3. Step 3: Cross multiply
    216,114.95x = 324,102.26 × 71,982.41
  4. Step 4: Simplify right side
    216,114.95x = 23,329,660,320.69
  5. Step 5: Solve for x
    x = 23,329,660,320.69/216,114.95
  6. Step 6: Final answer
    x = 107,950.24

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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.