Home / 188,568.75-260,224.88-113,141.55

Finding the Fourth Proportional to 188,568.75, 260,224.88 and 113,141.55

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Solution

The fourth proportional to 188,568.75, 260,224.88 and 113,141.55 is: 156,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,568.75 : 260,224.88 = 113,141.55 : x
  2. Step 2: Convert to fraction form
    188,568.75/260,224.88 = 113,141.55/x
  3. Step 3: Cross multiply
    188,568.75x = 260,224.88 × 113,141.55
  4. Step 4: Simplify right side
    188,568.75x = 29,442,245,706.06
  5. Step 5: Solve for x
    x = 29,442,245,706.06/188,568.75
  6. Step 6: Final answer
    x = 156,135.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.