Home / 454,835.90-682,314.60-155,241.20

Finding the Fourth Proportional to 454,835.90, 682,314.60 and 155,241.20

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Solution

The fourth proportional to 454,835.90, 682,314.60 and 155,241.20 is: 232,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,835.90 : 682,314.60 = 155,241.20 : x
  2. Step 2: Convert to fraction form
    454,835.90/682,314.60 = 155,241.20/x
  3. Step 3: Cross multiply
    454,835.90x = 682,314.60 × 155,241.20
  4. Step 4: Simplify right side
    454,835.90x = 105,923,337,281.52
  5. Step 5: Solve for x
    x = 105,923,337,281.52/454,835.90
  6. Step 6: Final answer
    x = 232,882.53

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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.