Home / 156,452.94-234,708.60-71,069.80

Finding the Fourth Proportional to 156,452.94, 234,708.60 and 71,069.80

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Solution

The fourth proportional to 156,452.94, 234,708.60 and 71,069.80 is: 106,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,452.94 : 234,708.60 = 71,069.80 : x
  2. Step 2: Convert to fraction form
    156,452.94/234,708.60 = 71,069.80/x
  3. Step 3: Cross multiply
    156,452.94x = 234,708.60 × 71,069.80
  4. Step 4: Simplify right side
    156,452.94x = 16,680,692,086.74
  5. Step 5: Solve for x
    x = 16,680,692,086.74/156,452.94
  6. Step 6: Final answer
    x = 106,617.95

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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.