Home / 136,866.53-187,504.02-131,749.48

Finding the Fourth Proportional to 136,866.53, 187,504.02 and 131,749.48

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Solution

The fourth proportional to 136,866.53, 187,504.02 and 131,749.48 is: 180,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,866.53 : 187,504.02 = 131,749.48 : x
  2. Step 2: Convert to fraction form
    136,866.53/187,504.02 = 131,749.48/x
  3. Step 3: Cross multiply
    136,866.53x = 187,504.02 × 131,749.48
  4. Step 4: Simplify right side
    136,866.53x = 24,703,557,965.89
  5. Step 5: Solve for x
    x = 24,703,557,965.89/136,866.53
  6. Step 6: Final answer
    x = 180,493.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.