Home / 156,536.20-234,933.90-72,425.80

Finding the Fourth Proportional to 156,536.20, 234,933.90 and 72,425.80

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Solution

The fourth proportional to 156,536.20, 234,933.90 and 72,425.80 is: 108,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,536.20 : 234,933.90 = 72,425.80 : x
  2. Step 2: Convert to fraction form
    156,536.20/234,933.90 = 72,425.80/x
  3. Step 3: Cross multiply
    156,536.20x = 234,933.90 × 72,425.80
  4. Step 4: Simplify right side
    156,536.20x = 17,015,275,654.62
  5. Step 5: Solve for x
    x = 17,015,275,654.62/156,536.20
  6. Step 6: Final answer
    x = 108,698.66

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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.