Home / 227,259.31-313,619.92-125,288.46

Finding the Fourth Proportional to 227,259.31, 313,619.92 and 125,288.46

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Solution

The fourth proportional to 227,259.31, 313,619.92 and 125,288.46 is: 172,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,259.31 : 313,619.92 = 125,288.46 : x
  2. Step 2: Convert to fraction form
    227,259.31/313,619.92 = 125,288.46/x
  3. Step 3: Cross multiply
    227,259.31x = 313,619.92 × 125,288.46
  4. Step 4: Simplify right side
    227,259.31x = 39,292,956,175.68
  5. Step 5: Solve for x
    x = 39,292,956,175.68/227,259.31
  6. Step 6: Final answer
    x = 172,899.21

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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.