Home / 216,738.32-324,968.99-104,194.59

Finding the Fourth Proportional to 216,738.32, 324,968.99 and 104,194.59

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Solution

The fourth proportional to 216,738.32, 324,968.99 and 104,194.59 is: 156,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,738.32 : 324,968.99 = 104,194.59 : x
  2. Step 2: Convert to fraction form
    216,738.32/324,968.99 = 104,194.59/x
  3. Step 3: Cross multiply
    216,738.32x = 324,968.99 × 104,194.59
  4. Step 4: Simplify right side
    216,738.32x = 33,860,010,154.79
  5. Step 5: Solve for x
    x = 33,860,010,154.79/216,738.32
  6. Step 6: Final answer
    x = 156,225.31

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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.