Home / 119,198.28-178,820.48-40,325.36

Finding the Fourth Proportional to 119,198.28, 178,820.48 and 40,325.36

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Solution

The fourth proportional to 119,198.28, 178,820.48 and 40,325.36 is: 60,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,198.28 : 178,820.48 = 40,325.36 : x
  2. Step 2: Convert to fraction form
    119,198.28/178,820.48 = 40,325.36/x
  3. Step 3: Cross multiply
    119,198.28x = 178,820.48 × 40,325.36
  4. Step 4: Simplify right side
    119,198.28x = 7,211,000,231.37
  5. Step 5: Solve for x
    x = 7,211,000,231.37/119,198.28
  6. Step 6: Final answer
    x = 60,495.84

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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.