Home / 118,750.22-178,137.03-34,511.12

Finding the Fourth Proportional to 118,750.22, 178,137.03 and 34,511.12

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Solution

The fourth proportional to 118,750.22, 178,137.03 and 34,511.12 is: 51,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750.22 : 178,137.03 = 34,511.12 : x
  2. Step 2: Convert to fraction form
    118,750.22/178,137.03 = 34,511.12/x
  3. Step 3: Cross multiply
    118,750.22x = 178,137.03 × 34,511.12
  4. Step 4: Simplify right side
    118,750.22x = 6,147,707,528.09
  5. Step 5: Solve for x
    x = 6,147,707,528.09/118,750.22
  6. Step 6: Final answer
    x = 51,770.07

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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.