Home / 112,028.40-167,556.60-100,267.20

Finding the Fourth Proportional to 112,028.40, 167,556.60 and 100,267.20

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Solution

The fourth proportional to 112,028.40, 167,556.60 and 100,267.20 is: 149,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,028.40 : 167,556.60 = 100,267.20 : x
  2. Step 2: Convert to fraction form
    112,028.40/167,556.60 = 100,267.20/x
  3. Step 3: Cross multiply
    112,028.40x = 167,556.60 × 100,267.20
  4. Step 4: Simplify right side
    112,028.40x = 16,800,431,123.52
  5. Step 5: Solve for x
    x = 16,800,431,123.52/112,028.40
  6. Step 6: Final answer
    x = 149,965.82

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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.