Home / 125,416.32-188,100.82-35,458.31

Finding the Fourth Proportional to 125,416.32, 188,100.82 and 35,458.31

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Solution

The fourth proportional to 125,416.32, 188,100.82 and 35,458.31 is: 53,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,416.32 : 188,100.82 = 35,458.31 : x
  2. Step 2: Convert to fraction form
    125,416.32/188,100.82 = 35,458.31/x
  3. Step 3: Cross multiply
    125,416.32x = 188,100.82 × 35,458.31
  4. Step 4: Simplify right side
    125,416.32x = 6,669,737,501.94
  5. Step 5: Solve for x
    x = 6,669,737,501.94/125,416.32
  6. Step 6: Final answer
    x = 53,180.78

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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.