Home / 275,214.06-379,443.84-178,246.62

Finding the Fourth Proportional to 275,214.06, 379,443.84 and 178,246.62

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Solution

The fourth proportional to 275,214.06, 379,443.84 and 178,246.62 is: 245,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,214.06 : 379,443.84 = 178,246.62 : x
  2. Step 2: Convert to fraction form
    275,214.06/379,443.84 = 178,246.62/x
  3. Step 3: Cross multiply
    275,214.06x = 379,443.84 × 178,246.62
  4. Step 4: Simplify right side
    275,214.06x = 67,634,581,959.82
  5. Step 5: Solve for x
    x = 67,634,581,959.82/275,214.06
  6. Step 6: Final answer
    x = 245,752.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.