Home / 188,206.54-259,725.29-102,165.50

Finding the Fourth Proportional to 188,206.54, 259,725.29 and 102,165.50

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Solution

The fourth proportional to 188,206.54, 259,725.29 and 102,165.50 is: 140,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,206.54 : 259,725.29 = 102,165.50 : x
  2. Step 2: Convert to fraction form
    188,206.54/259,725.29 = 102,165.50/x
  3. Step 3: Cross multiply
    188,206.54x = 259,725.29 × 102,165.50
  4. Step 4: Simplify right side
    188,206.54x = 26,534,964,253.98
  5. Step 5: Solve for x
    x = 26,534,964,253.98/188,206.54
  6. Step 6: Final answer
    x = 140,988.54

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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.