Home / 185,440.56-278,195.47-84,245.72

Finding the Fourth Proportional to 185,440.56, 278,195.47 and 84,245.72

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Solution

The fourth proportional to 185,440.56, 278,195.47 and 84,245.72 is: 126,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440.56 : 278,195.47 = 84,245.72 : x
  2. Step 2: Convert to fraction form
    185,440.56/278,195.47 = 84,245.72/x
  3. Step 3: Cross multiply
    185,440.56x = 278,195.47 × 84,245.72
  4. Step 4: Simplify right side
    185,440.56x = 23,436,775,858.68
  5. Step 5: Solve for x
    x = 23,436,775,858.68/185,440.56
  6. Step 6: Final answer
    x = 126,384.30

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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.