Home / 225,881.20-338,853.03-76,164.31

Finding the Fourth Proportional to 225,881.20, 338,853.03 and 76,164.31

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Solution

The fourth proportional to 225,881.20, 338,853.03 and 76,164.31 is: 114,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,881.20 : 338,853.03 = 76,164.31 : x
  2. Step 2: Convert to fraction form
    225,881.20/338,853.03 = 76,164.31/x
  3. Step 3: Cross multiply
    225,881.20x = 338,853.03 × 76,164.31
  4. Step 4: Simplify right side
    225,881.20x = 25,808,507,221.36
  5. Step 5: Solve for x
    x = 25,808,507,221.36/225,881.20
  6. Step 6: Final answer
    x = 114,257.00

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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.