Home / 118,928.52-178,393.32-30,181.95

Finding the Fourth Proportional to 118,928.52, 178,393.32 and 30,181.95

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Solution

The fourth proportional to 118,928.52, 178,393.32 and 30,181.95 is: 45,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,928.52 : 178,393.32 = 30,181.95 : x
  2. Step 2: Convert to fraction form
    118,928.52/178,393.32 = 30,181.95/x
  3. Step 3: Cross multiply
    118,928.52x = 178,393.32 × 30,181.95
  4. Step 4: Simplify right side
    118,928.52x = 5,384,258,264.57
  5. Step 5: Solve for x
    x = 5,384,258,264.57/118,928.52
  6. Step 6: Final answer
    x = 45,273.06

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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.