Home / 322,542.03-483,821.55-85,885.14

Finding the Fourth Proportional to 322,542.03, 483,821.55 and 85,885.14

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Solution

The fourth proportional to 322,542.03, 483,821.55 and 85,885.14 is: 128,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,542.03 : 483,821.55 = 85,885.14 : x
  2. Step 2: Convert to fraction form
    322,542.03/483,821.55 = 85,885.14/x
  3. Step 3: Cross multiply
    322,542.03x = 483,821.55 × 85,885.14
  4. Step 4: Simplify right side
    322,542.03x = 41,553,081,556.77
  5. Step 5: Solve for x
    x = 41,553,081,556.77/322,542.03
  6. Step 6: Final answer
    x = 128,829.97

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1.5x scale

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.