Home / 188,378.34-259,961.07-102,336.64

Finding the Fourth Proportional to 188,378.34, 259,961.07 and 102,336.64

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Solution

The fourth proportional to 188,378.34, 259,961.07 and 102,336.64 is: 141,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,378.34 : 259,961.07 = 102,336.64 : x
  2. Step 2: Convert to fraction form
    188,378.34/259,961.07 = 102,336.64/x
  3. Step 3: Cross multiply
    188,378.34x = 259,961.07 × 102,336.64
  4. Step 4: Simplify right side
    188,378.34x = 26,603,542,168.46
  5. Step 5: Solve for x
    x = 26,603,542,168.46/188,378.34
  6. Step 6: Final answer
    x = 141,224.00

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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.