Home / 281,790.08-422,749.92-92,256.56

Finding the Fourth Proportional to 281,790.08, 422,749.92 and 92,256.56

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Solution

The fourth proportional to 281,790.08, 422,749.92 and 92,256.56 is: 138,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,790.08 : 422,749.92 = 92,256.56 : x
  2. Step 2: Convert to fraction form
    281,790.08/422,749.92 = 92,256.56/x
  3. Step 3: Cross multiply
    281,790.08x = 422,749.92 × 92,256.56
  4. Step 4: Simplify right side
    281,790.08x = 39,001,453,359.48
  5. Step 5: Solve for x
    x = 39,001,453,359.48/281,790.08
  6. Step 6: Final answer
    x = 138,406.06

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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.