Home / 216,429.43-324,660.44-64,614.50

Finding the Fourth Proportional to 216,429.43, 324,660.44 and 64,614.50

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Solution

The fourth proportional to 216,429.43, 324,660.44 and 64,614.50 is: 96,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,429.43 : 324,660.44 = 64,614.50 : x
  2. Step 2: Convert to fraction form
    216,429.43/324,660.44 = 64,614.50/x
  3. Step 3: Cross multiply
    216,429.43x = 324,660.44 × 64,614.50
  4. Step 4: Simplify right side
    216,429.43x = 20,977,771,677.31
  5. Step 5: Solve for x
    x = 20,977,771,677.31/216,429.43
  6. Step 6: Final answer
    x = 96,926.62

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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.