Home / 125,164.60-187,745.28-30,395.56

Finding the Fourth Proportional to 125,164.60, 187,745.28 and 30,395.56

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Solution

The fourth proportional to 125,164.60, 187,745.28 and 30,395.56 is: 45,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.60 : 187,745.28 = 30,395.56 : x
  2. Step 2: Convert to fraction form
    125,164.60/187,745.28 = 30,395.56/x
  3. Step 3: Cross multiply
    125,164.60x = 187,745.28 × 30,395.56
  4. Step 4: Simplify right side
    125,164.60x = 5,706,622,922.96
  5. Step 5: Solve for x
    x = 5,706,622,922.96/125,164.60
  6. Step 6: Final answer
    x = 45,592.95

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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.