Home / 111,516.60-167,219.55-40,436.40

Finding the Fourth Proportional to 111,516.60, 167,219.55 and 40,436.40

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Solution

The fourth proportional to 111,516.60, 167,219.55 and 40,436.40 is: 60,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,516.60 : 167,219.55 = 40,436.40 : x
  2. Step 2: Convert to fraction form
    111,516.60/167,219.55 = 40,436.40/x
  3. Step 3: Cross multiply
    111,516.60x = 167,219.55 × 40,436.40
  4. Step 4: Simplify right side
    111,516.60x = 6,761,756,611.62
  5. Step 5: Solve for x
    x = 6,761,756,611.62/111,516.60
  6. Step 6: Final answer
    x = 60,634.53

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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.