Home / 167,204.60-230,742.05-90,723.70

Finding the Fourth Proportional to 167,204.60, 230,742.05 and 90,723.70

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Solution

The fourth proportional to 167,204.60, 230,742.05 and 90,723.70 is: 125,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,204.60 : 230,742.05 = 90,723.70 : x
  2. Step 2: Convert to fraction form
    167,204.60/230,742.05 = 90,723.70/x
  3. Step 3: Cross multiply
    167,204.60x = 230,742.05 × 90,723.70
  4. Step 4: Simplify right side
    167,204.60x = 20,933,772,521.59
  5. Step 5: Solve for x
    x = 20,933,772,521.59/167,204.60
  6. Step 6: Final answer
    x = 125,198.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.