Home / 454,971.96-682,398.36-135,117.27

Finding the Fourth Proportional to 454,971.96, 682,398.36 and 135,117.27

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Solution

The fourth proportional to 454,971.96, 682,398.36 and 135,117.27 is: 202,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,971.96 : 682,398.36 = 135,117.27 : x
  2. Step 2: Convert to fraction form
    454,971.96/682,398.36 = 135,117.27/x
  3. Step 3: Cross multiply
    454,971.96x = 682,398.36 × 135,117.27
  4. Step 4: Simplify right side
    454,971.96x = 92,203,803,455.68
  5. Step 5: Solve for x
    x = 92,203,803,455.68/454,971.96
  6. Step 6: Final answer
    x = 202,658.21

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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.