Home / 111,504.90-167,257.35-74,115.30

Finding the Fourth Proportional to 111,504.90, 167,257.35 and 74,115.30

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Solution

The fourth proportional to 111,504.90, 167,257.35 and 74,115.30 is: 111,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,504.90 : 167,257.35 = 74,115.30 : x
  2. Step 2: Convert to fraction form
    111,504.90/167,257.35 = 74,115.30/x
  3. Step 3: Cross multiply
    111,504.90x = 167,257.35 × 74,115.30
  4. Step 4: Simplify right side
    111,504.90x = 12,396,328,672.46
  5. Step 5: Solve for x
    x = 12,396,328,672.46/111,504.90
  6. Step 6: Final answer
    x = 111,172.95

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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.