Home / 231,050.33-346,608.55-71,139.79

Finding the Fourth Proportional to 231,050.33, 346,608.55 and 71,139.79

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Solution

The fourth proportional to 231,050.33, 346,608.55 and 71,139.79 is: 106,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,050.33 : 346,608.55 = 71,139.79 : x
  2. Step 2: Convert to fraction form
    231,050.33/346,608.55 = 71,139.79/x
  3. Step 3: Cross multiply
    231,050.33x = 346,608.55 × 71,139.79
  4. Step 4: Simplify right side
    231,050.33x = 24,657,659,198.11
  5. Step 5: Solve for x
    x = 24,657,659,198.11/231,050.33
  6. Step 6: Final answer
    x = 106,719.86

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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.