Home / 111,675.14-167,371.82-45,078.20

Finding the Fourth Proportional to 111,675.14, 167,371.82 and 45,078.20

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Solution

The fourth proportional to 111,675.14, 167,371.82 and 45,078.20 is: 67,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,675.14 : 167,371.82 = 45,078.20 : x
  2. Step 2: Convert to fraction form
    111,675.14/167,371.82 = 45,078.20/x
  3. Step 3: Cross multiply
    111,675.14x = 167,371.82 × 45,078.20
  4. Step 4: Simplify right side
    111,675.14x = 7,544,820,150.93
  5. Step 5: Solve for x
    x = 7,544,820,150.93/111,675.14
  6. Step 6: Final answer
    x = 67,560.43

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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.