Home / 107,269.20-160,855.20-40,687.20

Finding the Fourth Proportional to 107,269.20, 160,855.20 and 40,687.20

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Solution

The fourth proportional to 107,269.20, 160,855.20 and 40,687.20 is: 61,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,269.20 : 160,855.20 = 40,687.20 : x
  2. Step 2: Convert to fraction form
    107,269.20/160,855.20 = 40,687.20/x
  3. Step 3: Cross multiply
    107,269.20x = 160,855.20 × 40,687.20
  4. Step 4: Simplify right side
    107,269.20x = 6,544,747,693.44
  5. Step 5: Solve for x
    x = 6,544,747,693.44/107,269.20
  6. Step 6: Final answer
    x = 61,012.37

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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.