Home / 118,742.16-178,112.97-48,621.54

Finding the Fourth Proportional to 118,742.16, 178,112.97 and 48,621.54

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Solution

The fourth proportional to 118,742.16, 178,112.97 and 48,621.54 is: 72,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,742.16 : 178,112.97 = 48,621.54 : x
  2. Step 2: Convert to fraction form
    118,742.16/178,112.97 = 48,621.54/x
  3. Step 3: Cross multiply
    118,742.16x = 178,112.97 × 48,621.54
  4. Step 4: Simplify right side
    118,742.16x = 8,660,126,895.37
  5. Step 5: Solve for x
    x = 8,660,126,895.37/118,742.16
  6. Step 6: Final answer
    x = 72,932.20

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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.