Home / 338,970.43-508,485.20-111,197.75

Finding the Fourth Proportional to 338,970.43, 508,485.20 and 111,197.75

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Solution

The fourth proportional to 338,970.43, 508,485.20 and 111,197.75 is: 166,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,970.43 : 508,485.20 = 111,197.75 : x
  2. Step 2: Convert to fraction form
    338,970.43/508,485.20 = 111,197.75/x
  3. Step 3: Cross multiply
    338,970.43x = 508,485.20 × 111,197.75
  4. Step 4: Simplify right side
    338,970.43x = 56,542,409,592.31
  5. Step 5: Solve for x
    x = 56,542,409,592.31/338,970.43
  6. Step 6: Final answer
    x = 166,806.32

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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.