Home / 125,634.18-188,450.31-32,139.78

Finding the Fourth Proportional to 125,634.18, 188,450.31 and 32,139.78

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Solution

The fourth proportional to 125,634.18, 188,450.31 and 32,139.78 is: 48,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,634.18 : 188,450.31 = 32,139.78 : x
  2. Step 2: Convert to fraction form
    125,634.18/188,450.31 = 32,139.78/x
  3. Step 3: Cross multiply
    125,634.18x = 188,450.31 × 32,139.78
  4. Step 4: Simplify right side
    125,634.18x = 6,056,751,504.33
  5. Step 5: Solve for x
    x = 6,056,751,504.33/125,634.18
  6. Step 6: Final answer
    x = 48,209.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.