Home / 216,092.90-324,139.36-58,321.10

Finding the Fourth Proportional to 216,092.90, 324,139.36 and 58,321.10

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Solution

The fourth proportional to 216,092.90, 324,139.36 and 58,321.10 is: 87,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,092.90 : 324,139.36 = 58,321.10 : x
  2. Step 2: Convert to fraction form
    216,092.90/324,139.36 = 58,321.10/x
  3. Step 3: Cross multiply
    216,092.90x = 324,139.36 × 58,321.10
  4. Step 4: Simplify right side
    216,092.90x = 18,904,164,028.50
  5. Step 5: Solve for x
    x = 18,904,164,028.50/216,092.90
  6. Step 6: Final answer
    x = 87,481.65

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Similar ratio
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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.