Home / 144,829.20-217,243.80-109,837.20

Finding the Fourth Proportional to 144,829.20, 217,243.80 and 109,837.20

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Solution

The fourth proportional to 144,829.20, 217,243.80 and 109,837.20 is: 164,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829.20 : 217,243.80 = 109,837.20 : x
  2. Step 2: Convert to fraction form
    144,829.20/217,243.80 = 109,837.20/x
  3. Step 3: Cross multiply
    144,829.20x = 217,243.80 × 109,837.20
  4. Step 4: Simplify right side
    144,829.20x = 23,861,450,709.36
  5. Step 5: Solve for x
    x = 23,861,450,709.36/144,829.20
  6. Step 6: Final answer
    x = 164,755.80

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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.