Home / 124,531.20-186,796.78-41,425.20

Finding the Fourth Proportional to 124,531.20, 186,796.78 and 41,425.20

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Solution

The fourth proportional to 124,531.20, 186,796.78 and 41,425.20 is: 62,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,531.20 : 186,796.78 = 41,425.20 : x
  2. Step 2: Convert to fraction form
    124,531.20/186,796.78 = 41,425.20/x
  3. Step 3: Cross multiply
    124,531.20x = 186,796.78 × 41,425.20
  4. Step 4: Simplify right side
    124,531.20x = 7,738,093,970.86
  5. Step 5: Solve for x
    x = 7,738,093,970.86/124,531.20
  6. Step 6: Final answer
    x = 62,137.79

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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.