Home / 124,936.40-187,404.60-41,830.40

Finding the Fourth Proportional to 124,936.40, 187,404.60 and 41,830.40

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Solution

The fourth proportional to 124,936.40, 187,404.60 and 41,830.40 is: 62,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,936.40 : 187,404.60 = 41,830.40 : x
  2. Step 2: Convert to fraction form
    124,936.40/187,404.60 = 41,830.40/x
  3. Step 3: Cross multiply
    124,936.40x = 187,404.60 × 41,830.40
  4. Step 4: Simplify right side
    124,936.40x = 7,839,209,379.84
  5. Step 5: Solve for x
    x = 7,839,209,379.84/124,936.40
  6. Step 6: Final answer
    x = 62,745.60

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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.