Home / 454,735.26-682,165.14-155,135.40

Finding the Fourth Proportional to 454,735.26, 682,165.14 and 155,135.40

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Solution

The fourth proportional to 454,735.26, 682,165.14 and 155,135.40 is: 232,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,735.26 : 682,165.14 = 155,135.40 : x
  2. Step 2: Convert to fraction form
    454,735.26/682,165.14 = 155,135.40/x
  3. Step 3: Cross multiply
    454,735.26x = 682,165.14 × 155,135.40
  4. Step 4: Simplify right side
    454,735.26x = 105,827,961,859.96
  5. Step 5: Solve for x
    x = 105,827,961,859.96/454,735.26
  6. Step 6: Final answer
    x = 232,724.34

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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.