Home / 216,002.70-324,004.05-132,021.90

Finding the Fourth Proportional to 216,002.70, 324,004.05 and 132,021.90

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Solution

The fourth proportional to 216,002.70, 324,004.05 and 132,021.90 is: 198,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,002.70 : 324,004.05 = 132,021.90 : x
  2. Step 2: Convert to fraction form
    216,002.70/324,004.05 = 132,021.90/x
  3. Step 3: Cross multiply
    216,002.70x = 324,004.05 × 132,021.90
  4. Step 4: Simplify right side
    216,002.70x = 42,775,630,288.70
  5. Step 5: Solve for x
    x = 42,775,630,288.70/216,002.70
  6. Step 6: Final answer
    x = 198,032.85

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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.