Home / 118,923.60-178,234.20-48,723.60

Finding the Fourth Proportional to 118,923.60, 178,234.20 and 48,723.60

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Solution

The fourth proportional to 118,923.60, 178,234.20 and 48,723.60 is: 73,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,923.60 : 178,234.20 = 48,723.60 : x
  2. Step 2: Convert to fraction form
    118,923.60/178,234.20 = 48,723.60/x
  3. Step 3: Cross multiply
    118,923.60x = 178,234.20 × 48,723.60
  4. Step 4: Simplify right side
    118,923.60x = 8,684,211,867.12
  5. Step 5: Solve for x
    x = 8,684,211,867.12/118,923.60
  6. Step 6: Final answer
    x = 73,023.45

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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.