Home / 144,960.90-217,431.57-39,771.06

Finding the Fourth Proportional to 144,960.90, 217,431.57 and 39,771.06

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Solution

The fourth proportional to 144,960.90, 217,431.57 and 39,771.06 is: 59,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,960.90 : 217,431.57 = 39,771.06 : x
  2. Step 2: Convert to fraction form
    144,960.90/217,431.57 = 39,771.06/x
  3. Step 3: Cross multiply
    144,960.90x = 217,431.57 × 39,771.06
  4. Step 4: Simplify right side
    144,960.90x = 8,647,484,016.36
  5. Step 5: Solve for x
    x = 8,647,484,016.36/144,960.90
  6. Step 6: Final answer
    x = 59,653.91

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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.