Home / 492,243.36-738,480.24-159,819.36

Finding the Fourth Proportional to 492,243.36, 738,480.24 and 159,819.36

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Solution

The fourth proportional to 492,243.36, 738,480.24 and 159,819.36 is: 239,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,243.36 : 738,480.24 = 159,819.36 : x
  2. Step 2: Convert to fraction form
    492,243.36/738,480.24 = 159,819.36/x
  3. Step 3: Cross multiply
    492,243.36x = 738,480.24 × 159,819.36
  4. Step 4: Simplify right side
    492,243.36x = 118,023,439,329.45
  5. Step 5: Solve for x
    x = 118,023,439,329.45/492,243.36
  6. Step 6: Final answer
    x = 239,766.44

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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.