Home / 227,140.51-313,456-125,169.62

Finding the Fourth Proportional to 227,140.51, 313,456 and 125,169.62

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Solution

The fourth proportional to 227,140.51, 313,456 and 125,169.62 is: 172,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,140.51 : 313,456 = 125,169.62 : x
  2. Step 2: Convert to fraction form
    227,140.51/313,456 = 125,169.62/x
  3. Step 3: Cross multiply
    227,140.51x = 313,456 × 125,169.62
  4. Step 4: Simplify right side
    227,140.51x = 39,235,168,406.72
  5. Step 5: Solve for x
    x = 39,235,168,406.72/227,140.51
  6. Step 6: Final answer
    x = 172,735.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.