Home / 125,318.80-187,989.24-35,362.31

Finding the Fourth Proportional to 125,318.80, 187,989.24 and 35,362.31

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Solution

The fourth proportional to 125,318.80, 187,989.24 and 35,362.31 is: 53,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,318.80 : 187,989.24 = 35,362.31 : x
  2. Step 2: Convert to fraction form
    125,318.80/187,989.24 = 35,362.31/x
  3. Step 3: Cross multiply
    125,318.80x = 187,989.24 × 35,362.31
  4. Step 4: Simplify right side
    125,318.80x = 6,647,733,781.54
  5. Step 5: Solve for x
    x = 6,647,733,781.54/125,318.80
  6. Step 6: Final answer
    x = 53,046.58

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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.