Home / 188,225.15-259,676.62-107,609.36

Finding the Fourth Proportional to 188,225.15, 259,676.62 and 107,609.36

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Solution

The fourth proportional to 188,225.15, 259,676.62 and 107,609.36 is: 148,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,225.15 : 259,676.62 = 107,609.36 : x
  2. Step 2: Convert to fraction form
    188,225.15/259,676.62 = 107,609.36/x
  3. Step 3: Cross multiply
    188,225.15x = 259,676.62 × 107,609.36
  4. Step 4: Simplify right side
    188,225.15x = 27,943,633,317.76
  5. Step 5: Solve for x
    x = 27,943,633,317.76/188,225.15
  6. Step 6: Final answer
    x = 148,458.56

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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.