Home / 178,786.41-268,290.36-103,941.78

Finding the Fourth Proportional to 178,786.41, 268,290.36 and 103,941.78

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Solution

The fourth proportional to 178,786.41, 268,290.36 and 103,941.78 is: 155,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,786.41 : 268,290.36 = 103,941.78 : x
  2. Step 2: Convert to fraction form
    178,786.41/268,290.36 = 103,941.78/x
  3. Step 3: Cross multiply
    178,786.41x = 268,290.36 × 103,941.78
  4. Step 4: Simplify right side
    178,786.41x = 27,886,577,575.24
  5. Step 5: Solve for x
    x = 27,886,577,575.24/178,786.41
  6. Step 6: Final answer
    x = 155,977.05

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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.