Home / 216,100.32-324,295.44-75,859.36

Finding the Fourth Proportional to 216,100.32, 324,295.44 and 75,859.36

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Solution

The fourth proportional to 216,100.32, 324,295.44 and 75,859.36 is: 113,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,100.32 : 324,295.44 = 75,859.36 : x
  2. Step 2: Convert to fraction form
    216,100.32/324,295.44 = 75,859.36/x
  3. Step 3: Cross multiply
    216,100.32x = 324,295.44 × 75,859.36
  4. Step 4: Simplify right side
    216,100.32x = 24,600,844,529.32
  5. Step 5: Solve for x
    x = 24,600,844,529.32/216,100.32
  6. Step 6: Final answer
    x = 113,839.93

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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.