Home / 125,169.96-187,766.46-40,930.56

Finding the Fourth Proportional to 125,169.96, 187,766.46 and 40,930.56

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Solution

The fourth proportional to 125,169.96, 187,766.46 and 40,930.56 is: 61,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,169.96 : 187,766.46 = 40,930.56 : x
  2. Step 2: Convert to fraction form
    125,169.96/187,766.46 = 40,930.56/x
  3. Step 3: Cross multiply
    125,169.96x = 187,766.46 × 40,930.56
  4. Step 4: Simplify right side
    125,169.96x = 7,685,386,357.02
  5. Step 5: Solve for x
    x = 7,685,386,357.02/125,169.96
  6. Step 6: Final answer
    x = 61,399.61

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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.