Home / 112,022.60-167,924.55-100,212.80

Finding the Fourth Proportional to 112,022.60, 167,924.55 and 100,212.80

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Solution

The fourth proportional to 112,022.60, 167,924.55 and 100,212.80 is: 150,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022.60 : 167,924.55 = 100,212.80 : x
  2. Step 2: Convert to fraction form
    112,022.60/167,924.55 = 100,212.80/x
  3. Step 3: Cross multiply
    112,022.60x = 167,924.55 × 100,212.80
  4. Step 4: Simplify right side
    112,022.60x = 16,828,189,344.24
  5. Step 5: Solve for x
    x = 16,828,189,344.24/112,022.60
  6. Step 6: Final answer
    x = 150,221.38

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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.