Home / 111,377.20-167,063.40-74,175.60

Finding the Fourth Proportional to 111,377.20, 167,063.40 and 74,175.60

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Solution

The fourth proportional to 111,377.20, 167,063.40 and 74,175.60 is: 111,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,377.20 : 167,063.40 = 74,175.60 : x
  2. Step 2: Convert to fraction form
    111,377.20/167,063.40 = 74,175.60/x
  3. Step 3: Cross multiply
    111,377.20x = 167,063.40 × 74,175.60
  4. Step 4: Simplify right side
    111,377.20x = 12,392,027,933.04
  5. Step 5: Solve for x
    x = 12,392,027,933.04/111,377.20
  6. Step 6: Final answer
    x = 111,261.80

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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.