Home / 454,743.28-682,177.14-155,143.44

Finding the Fourth Proportional to 454,743.28, 682,177.14 and 155,143.44

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Solution

The fourth proportional to 454,743.28, 682,177.14 and 155,143.44 is: 232,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,743.28 : 682,177.14 = 155,143.44 : x
  2. Step 2: Convert to fraction form
    454,743.28/682,177.14 = 155,143.44/x
  3. Step 3: Cross multiply
    454,743.28x = 682,177.14 × 155,143.44
  4. Step 4: Simplify right side
    454,743.28x = 105,835,308,188.96
  5. Step 5: Solve for x
    x = 105,835,308,188.96/454,743.28
  6. Step 6: Final answer
    x = 232,736.39

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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.