Home / 493,720.41-740,137.14-178,103.52

Finding the Fourth Proportional to 493,720.41, 740,137.14 and 178,103.52

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Solution

The fourth proportional to 493,720.41, 740,137.14 and 178,103.52 is: 266,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,720.41 : 740,137.14 = 178,103.52 : x
  2. Step 2: Convert to fraction form
    493,720.41/740,137.14 = 178,103.52/x
  3. Step 3: Cross multiply
    493,720.41x = 740,137.14 × 178,103.52
  4. Step 4: Simplify right side
    493,720.41x = 131,821,029,916.73
  5. Step 5: Solve for x
    x = 131,821,029,916.73/493,720.41
  6. Step 6: Final answer
    x = 266,995.30

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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.