Home / 111,926.60-167,780.55-100,116.80

Finding the Fourth Proportional to 111,926.60, 167,780.55 and 100,116.80

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Solution

The fourth proportional to 111,926.60, 167,780.55 and 100,116.80 is: 150,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.60 : 167,780.55 = 100,116.80 : x
  2. Step 2: Convert to fraction form
    111,926.60/167,780.55 = 100,116.80/x
  3. Step 3: Cross multiply
    111,926.60x = 167,780.55 × 100,116.80
  4. Step 4: Simplify right side
    111,926.60x = 16,797,651,768.24
  5. Step 5: Solve for x
    x = 16,797,651,768.24/111,926.60
  6. Step 6: Final answer
    x = 150,077.39

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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.