Home / 188,775.27-260,515.78-107,106.97

Finding the Fourth Proportional to 188,775.27, 260,515.78 and 107,106.97

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Solution

The fourth proportional to 188,775.27, 260,515.78 and 107,106.97 is: 147,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,775.27 : 260,515.78 = 107,106.97 : x
  2. Step 2: Convert to fraction form
    188,775.27/260,515.78 = 107,106.97/x
  3. Step 3: Cross multiply
    188,775.27x = 260,515.78 × 107,106.97
  4. Step 4: Simplify right side
    188,775.27x = 27,903,055,121.55
  5. Step 5: Solve for x
    x = 27,903,055,121.55/188,775.27
  6. Step 6: Final answer
    x = 147,810.97

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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.