Home / 111,390.12-167,168.20-44,830.80

Finding the Fourth Proportional to 111,390.12, 167,168.20 and 44,830.80

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Solution

The fourth proportional to 111,390.12, 167,168.20 and 44,830.80 is: 67,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,390.12 : 167,168.20 = 44,830.80 : x
  2. Step 2: Convert to fraction form
    111,390.12/167,168.20 = 44,830.80/x
  3. Step 3: Cross multiply
    111,390.12x = 167,168.20 × 44,830.80
  4. Step 4: Simplify right side
    111,390.12x = 7,494,284,140.56
  5. Step 5: Solve for x
    x = 7,494,284,140.56/111,390.12
  6. Step 6: Final answer
    x = 67,279.61

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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.