Home / 225,749.89-338,621.40-54,973.21

Finding the Fourth Proportional to 225,749.89, 338,621.40 and 54,973.21

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Solution

The fourth proportional to 225,749.89, 338,621.40 and 54,973.21 is: 82,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,749.89 : 338,621.40 = 54,973.21 : x
  2. Step 2: Convert to fraction form
    225,749.89/338,621.40 = 54,973.21/x
  3. Step 3: Cross multiply
    225,749.89x = 338,621.40 × 54,973.21
  4. Step 4: Simplify right side
    225,749.89x = 18,615,105,332.69
  5. Step 5: Solve for x
    x = 18,615,105,332.69/225,749.89
  6. Step 6: Final answer
    x = 82,458.98

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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.