Home / 111,150.88-166,740-36,250.96

Finding the Fourth Proportional to 111,150.88, 166,740 and 36,250.96

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Solution

The fourth proportional to 111,150.88, 166,740 and 36,250.96 is: 54,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,150.88 : 166,740 = 36,250.96 : x
  2. Step 2: Convert to fraction form
    111,150.88/166,740 = 36,250.96/x
  3. Step 3: Cross multiply
    111,150.88x = 166,740 × 36,250.96
  4. Step 4: Simplify right side
    111,150.88x = 6,044,485,070.40
  5. Step 5: Solve for x
    x = 6,044,485,070.40/111,150.88
  6. Step 6: Final answer
    x = 54,380.90

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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.