Home / 225,924.20-338,842.56-76,148.72

Finding the Fourth Proportional to 225,924.20, 338,842.56 and 76,148.72

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Solution

The fourth proportional to 225,924.20, 338,842.56 and 76,148.72 is: 114,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,924.20 : 338,842.56 = 76,148.72 : x
  2. Step 2: Convert to fraction form
    225,924.20/338,842.56 = 76,148.72/x
  3. Step 3: Cross multiply
    225,924.20x = 338,842.56 × 76,148.72
  4. Step 4: Simplify right side
    225,924.20x = 25,802,427,225.52
  5. Step 5: Solve for x
    x = 25,802,427,225.52/225,924.20
  6. Step 6: Final answer
    x = 114,208.34

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1.5x scale

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.