Home / 216,606.48-324,961.56-109,723.92

Finding the Fourth Proportional to 216,606.48, 324,961.56 and 109,723.92

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Solution

The fourth proportional to 216,606.48, 324,961.56 and 109,723.92 is: 164,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,606.48 : 324,961.56 = 109,723.92 : x
  2. Step 2: Convert to fraction form
    216,606.48/324,961.56 = 109,723.92/x
  3. Step 3: Cross multiply
    216,606.48x = 324,961.56 × 109,723.92
  4. Step 4: Simplify right side
    216,606.48x = 35,656,056,212.52
  5. Step 5: Solve for x
    x = 35,656,056,212.52/216,606.48
  6. Step 6: Final answer
    x = 164,612.14

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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.