Home / 188,093.37-259,576.35-103,213.47

Finding the Fourth Proportional to 188,093.37, 259,576.35 and 103,213.47

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Solution

The fourth proportional to 188,093.37, 259,576.35 and 103,213.47 is: 142,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,093.37 : 259,576.35 = 103,213.47 : x
  2. Step 2: Convert to fraction form
    188,093.37/259,576.35 = 103,213.47/x
  3. Step 3: Cross multiply
    188,093.37x = 259,576.35 × 103,213.47
  4. Step 4: Simplify right side
    188,093.37x = 26,791,775,813.43
  5. Step 5: Solve for x
    x = 26,791,775,813.43/188,093.37
  6. Step 6: Final answer
    x = 142,438.70

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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.