Home / 119,147.20-178,448.61-56,861.44

Finding the Fourth Proportional to 119,147.20, 178,448.61 and 56,861.44

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Solution

The fourth proportional to 119,147.20, 178,448.61 and 56,861.44 is: 85,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,147.20 : 178,448.61 = 56,861.44 : x
  2. Step 2: Convert to fraction form
    119,147.20/178,448.61 = 56,861.44/x
  3. Step 3: Cross multiply
    119,147.20x = 178,448.61 × 56,861.44
  4. Step 4: Simplify right side
    119,147.20x = 10,146,844,930.60
  5. Step 5: Solve for x
    x = 10,146,844,930.60/119,147.20
  6. Step 6: Final answer
    x = 85,162.26

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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.