Home / 120,611.58-167,206.30-114,212.80

Finding the Fourth Proportional to 120,611.58, 167,206.30 and 114,212.80

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Solution

The fourth proportional to 120,611.58, 167,206.30 and 114,212.80 is: 158,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,611.58 : 167,206.30 = 114,212.80 : x
  2. Step 2: Convert to fraction form
    120,611.58/167,206.30 = 114,212.80/x
  3. Step 3: Cross multiply
    120,611.58x = 167,206.30 × 114,212.80
  4. Step 4: Simplify right side
    120,611.58x = 19,097,099,700.64
  5. Step 5: Solve for x
    x = 19,097,099,700.64/120,611.58
  6. Step 6: Final answer
    x = 158,335.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.