Home / 156,103.88-234,226.92-66,171.20

Finding the Fourth Proportional to 156,103.88, 234,226.92 and 66,171.20

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Solution

The fourth proportional to 156,103.88, 234,226.92 and 66,171.20 is: 99,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,103.88 : 234,226.92 = 66,171.20 : x
  2. Step 2: Convert to fraction form
    156,103.88/234,226.92 = 66,171.20/x
  3. Step 3: Cross multiply
    156,103.88x = 234,226.92 × 66,171.20
  4. Step 4: Simplify right side
    156,103.88x = 15,499,076,368.70
  5. Step 5: Solve for x
    x = 15,499,076,368.70/156,103.88
  6. Step 6: Final answer
    x = 99,286.94

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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.