Home / 106,685.90-160,052.68-40,126.60

Finding the Fourth Proportional to 106,685.90, 160,052.68 and 40,126.60

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Solution

The fourth proportional to 106,685.90, 160,052.68 and 40,126.60 is: 60,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,685.90 : 160,052.68 = 40,126.60 : x
  2. Step 2: Convert to fraction form
    106,685.90/160,052.68 = 40,126.60/x
  3. Step 3: Cross multiply
    106,685.90x = 160,052.68 × 40,126.60
  4. Step 4: Simplify right side
    106,685.90x = 6,422,369,869.29
  5. Step 5: Solve for x
    x = 6,422,369,869.29/106,685.90
  6. Step 6: Final answer
    x = 60,198.86

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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.