Home / 231,145.92-346,766.40-73,370.88

Finding the Fourth Proportional to 231,145.92, 346,766.40 and 73,370.88

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Solution

The fourth proportional to 231,145.92, 346,766.40 and 73,370.88 is: 110,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,145.92 : 346,766.40 = 73,370.88 : x
  2. Step 2: Convert to fraction form
    231,145.92/346,766.40 = 73,370.88/x
  3. Step 3: Cross multiply
    231,145.92x = 346,766.40 × 73,370.88
  4. Step 4: Simplify right side
    231,145.92x = 25,442,555,922.43
  5. Step 5: Solve for x
    x = 25,442,555,922.43/231,145.92
  6. Step 6: Final answer
    x = 110,071.40

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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.