Home / 106,742.97-160,114.25-100,247.58

Finding the Fourth Proportional to 106,742.97, 160,114.25 and 100,247.58

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Solution

The fourth proportional to 106,742.97, 160,114.25 and 100,247.58 is: 150,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,742.97 : 160,114.25 = 100,247.58 : x
  2. Step 2: Convert to fraction form
    106,742.97/160,114.25 = 100,247.58/x
  3. Step 3: Cross multiply
    106,742.97x = 160,114.25 × 100,247.58
  4. Step 4: Simplify right side
    106,742.97x = 16,051,065,584.78
  5. Step 5: Solve for x
    x = 16,051,065,584.78/106,742.97
  6. Step 6: Final answer
    x = 150,371.17

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1.5x scale

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.