Home / 188,811.36-260,584.56-113,364.72

Finding the Fourth Proportional to 188,811.36, 260,584.56 and 113,364.72

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Solution

The fourth proportional to 188,811.36, 260,584.56 and 113,364.72 is: 156,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,811.36 : 260,584.56 = 113,364.72 : x
  2. Step 2: Convert to fraction form
    188,811.36/260,584.56 = 113,364.72/x
  3. Step 3: Cross multiply
    188,811.36x = 260,584.56 × 113,364.72
  4. Step 4: Simplify right side
    188,811.36x = 29,541,095,680.72
  5. Step 5: Solve for x
    x = 29,541,095,680.72/188,811.36
  6. Step 6: Final answer
    x = 156,458.25

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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.