Home / 135,521.99-187,017.87-75,092.41

Finding the Fourth Proportional to 135,521.99, 187,017.87 and 75,092.41

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Solution

The fourth proportional to 135,521.99, 187,017.87 and 75,092.41 is: 103,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,521.99 : 187,017.87 = 75,092.41 : x
  2. Step 2: Convert to fraction form
    135,521.99/187,017.87 = 75,092.41/x
  3. Step 3: Cross multiply
    135,521.99x = 187,017.87 × 75,092.41
  4. Step 4: Simplify right side
    135,521.99x = 14,043,622,571.37
  5. Step 5: Solve for x
    x = 14,043,622,571.37/135,521.99
  6. Step 6: Final answer
    x = 103,626.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.