Home / 125,137.13-187,704.18-50,255.93

Finding the Fourth Proportional to 125,137.13, 187,704.18 and 50,255.93

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Solution

The fourth proportional to 125,137.13, 187,704.18 and 50,255.93 is: 75,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,137.13 : 187,704.18 = 50,255.93 : x
  2. Step 2: Convert to fraction form
    125,137.13/187,704.18 = 50,255.93/x
  3. Step 3: Cross multiply
    125,137.13x = 187,704.18 × 50,255.93
  4. Step 4: Simplify right side
    125,137.13x = 9,433,247,192.27
  5. Step 5: Solve for x
    x = 9,433,247,192.27/125,137.13
  6. Step 6: Final answer
    x = 75,383.28

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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.