Home / 137,615.76-206,404.20-44,109.36

Finding the Fourth Proportional to 137,615.76, 206,404.20 and 44,109.36

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Solution

The fourth proportional to 137,615.76, 206,404.20 and 44,109.36 is: 66,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,615.76 : 206,404.20 = 44,109.36 : x
  2. Step 2: Convert to fraction form
    137,615.76/206,404.20 = 44,109.36/x
  3. Step 3: Cross multiply
    137,615.76x = 206,404.20 × 44,109.36
  4. Step 4: Simplify right side
    137,615.76x = 9,104,357,163.31
  5. Step 5: Solve for x
    x = 9,104,357,163.31/137,615.76
  6. Step 6: Final answer
    x = 66,157.81

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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.