Home / 168,408.11-252,612.47-112,357.73

Finding the Fourth Proportional to 168,408.11, 252,612.47 and 112,357.73

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Solution

The fourth proportional to 168,408.11, 252,612.47 and 112,357.73 is: 168,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,408.11 : 252,612.47 = 112,357.73 : x
  2. Step 2: Convert to fraction form
    168,408.11/252,612.47 = 112,357.73/x
  3. Step 3: Cross multiply
    168,408.11x = 252,612.47 × 112,357.73
  4. Step 4: Simplify right side
    168,408.11x = 28,382,964,611.32
  5. Step 5: Solve for x
    x = 28,382,964,611.32/168,408.11
  6. Step 6: Final answer
    x = 168,536.80

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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.