Home / 118,899.93-178,377.21-40,012.05

Finding the Fourth Proportional to 118,899.93, 178,377.21 and 40,012.05

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Solution

The fourth proportional to 118,899.93, 178,377.21 and 40,012.05 is: 60,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,899.93 : 178,377.21 = 40,012.05 : x
  2. Step 2: Convert to fraction form
    118,899.93/178,377.21 = 40,012.05/x
  3. Step 3: Cross multiply
    118,899.93x = 178,377.21 × 40,012.05
  4. Step 4: Simplify right side
    118,899.93x = 7,137,237,845.38
  5. Step 5: Solve for x
    x = 7,137,237,845.38/118,899.93
  6. Step 6: Final answer
    x = 60,027.27

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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.