Home / 106,931.26-160,419.46-40,369.92

Finding the Fourth Proportional to 106,931.26, 160,419.46 and 40,369.92

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Solution

The fourth proportional to 106,931.26, 160,419.46 and 40,369.92 is: 60,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.26 : 160,419.46 = 40,369.92 : x
  2. Step 2: Convert to fraction form
    106,931.26/160,419.46 = 40,369.92/x
  3. Step 3: Cross multiply
    106,931.26x = 160,419.46 × 40,369.92
  4. Step 4: Simplify right side
    106,931.26x = 6,476,120,766.64
  5. Step 5: Solve for x
    x = 6,476,120,766.64/106,931.26
  6. Step 6: Final answer
    x = 60,563.40

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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.