Home / 231,161.28-346,779.87-71,237.24

Finding the Fourth Proportional to 231,161.28, 346,779.87 and 71,237.24

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Solution

The fourth proportional to 231,161.28, 346,779.87 and 71,237.24 is: 106,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,161.28 : 346,779.87 = 71,237.24 : x
  2. Step 2: Convert to fraction form
    231,161.28/346,779.87 = 71,237.24/x
  3. Step 3: Cross multiply
    231,161.28x = 346,779.87 × 71,237.24
  4. Step 4: Simplify right side
    231,161.28x = 24,703,640,826.36
  5. Step 5: Solve for x
    x = 24,703,640,826.36/231,161.28
  6. Step 6: Final answer
    x = 106,867.56

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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.