Home / 216,115.30-324,147.43-58,356.06

Finding the Fourth Proportional to 216,115.30, 324,147.43 and 58,356.06

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Solution

The fourth proportional to 216,115.30, 324,147.43 and 58,356.06 is: 87,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,115.30 : 324,147.43 = 58,356.06 : x
  2. Step 2: Convert to fraction form
    216,115.30/324,147.43 = 58,356.06/x
  3. Step 3: Cross multiply
    216,115.30x = 324,147.43 × 58,356.06
  4. Step 4: Simplify right side
    216,115.30x = 18,915,966,873.93
  5. Step 5: Solve for x
    x = 18,915,966,873.93/216,115.30
  6. Step 6: Final answer
    x = 87,527.20

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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.