Home / 216,664.20-324,315.14-148,798.86

Finding the Fourth Proportional to 216,664.20, 324,315.14 and 148,798.86

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Solution

The fourth proportional to 216,664.20, 324,315.14 and 148,798.86 is: 222,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,664.20 : 324,315.14 = 148,798.86 : x
  2. Step 2: Convert to fraction form
    216,664.20/324,315.14 = 148,798.86/x
  3. Step 3: Cross multiply
    216,664.20x = 324,315.14 × 148,798.86
  4. Step 4: Simplify right side
    216,664.20x = 48,257,721,989.56
  5. Step 5: Solve for x
    x = 48,257,721,989.56/216,664.20
  6. Step 6: Final answer
    x = 222,730.48

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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.