Home / 454,745.90-682,179.60-155,151.20

Finding the Fourth Proportional to 454,745.90, 682,179.60 and 155,151.20

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Solution

The fourth proportional to 454,745.90, 682,179.60 and 155,151.20 is: 232,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,745.90 : 682,179.60 = 155,151.20 : x
  2. Step 2: Convert to fraction form
    454,745.90/682,179.60 = 155,151.20/x
  3. Step 3: Cross multiply
    454,745.90x = 682,179.60 × 155,151.20
  4. Step 4: Simplify right side
    454,745.90x = 105,840,983,555.52
  5. Step 5: Solve for x
    x = 105,840,983,555.52/454,745.90
  6. Step 6: Final answer
    x = 232,747.53

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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.