Home / 125,177.36-187,766.03-30,406.95

Finding the Fourth Proportional to 125,177.36, 187,766.03 and 30,406.95

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Solution

The fourth proportional to 125,177.36, 187,766.03 and 30,406.95 is: 45,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,177.36 : 187,766.03 = 30,406.95 : x
  2. Step 2: Convert to fraction form
    125,177.36/187,766.03 = 30,406.95/x
  3. Step 3: Cross multiply
    125,177.36x = 187,766.03 × 30,406.95
  4. Step 4: Simplify right side
    125,177.36x = 5,709,392,361.93
  5. Step 5: Solve for x
    x = 5,709,392,361.93/125,177.36
  6. Step 6: Final answer
    x = 45,610.43

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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.