Home / 225,929.25-311,782.37-125,346.69

Finding the Fourth Proportional to 225,929.25, 311,782.37 and 125,346.69

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Solution

The fourth proportional to 225,929.25, 311,782.37 and 125,346.69 is: 172,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,929.25 : 311,782.37 = 125,346.69 : x
  2. Step 2: Convert to fraction form
    225,929.25/311,782.37 = 125,346.69/x
  3. Step 3: Cross multiply
    225,929.25x = 311,782.37 × 125,346.69
  4. Step 4: Simplify right side
    225,929.25x = 39,080,887,453.12
  5. Step 5: Solve for x
    x = 39,080,887,453.12/225,929.25
  6. Step 6: Final answer
    x = 172,978.43

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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.