Home / 245,732.32-368,578.23-68,243.50

Finding the Fourth Proportional to 245,732.32, 368,578.23 and 68,243.50

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Solution

The fourth proportional to 245,732.32, 368,578.23 and 68,243.50 is: 102,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,732.32 : 368,578.23 = 68,243.50 : x
  2. Step 2: Convert to fraction form
    245,732.32/368,578.23 = 68,243.50/x
  3. Step 3: Cross multiply
    245,732.32x = 368,578.23 × 68,243.50
  4. Step 4: Simplify right side
    245,732.32x = 25,153,068,439.01
  5. Step 5: Solve for x
    x = 25,153,068,439.01/245,732.32
  6. Step 6: Final answer
    x = 102,359.63

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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.