Home / 188,828.12-260,575.03-108,199.51

Finding the Fourth Proportional to 188,828.12, 260,575.03 and 108,199.51

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Solution

The fourth proportional to 188,828.12, 260,575.03 and 108,199.51 is: 149,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,828.12 : 260,575.03 = 108,199.51 : x
  2. Step 2: Convert to fraction form
    188,828.12/260,575.03 = 108,199.51/x
  3. Step 3: Cross multiply
    188,828.12x = 260,575.03 × 108,199.51
  4. Step 4: Simplify right side
    188,828.12x = 28,194,090,564.24
  5. Step 5: Solve for x
    x = 28,194,090,564.24/188,828.12
  6. Step 6: Final answer
    x = 149,310.87

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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.