Home / 99,824.20-149,736.30-92,607.10

Finding the Fourth Proportional to 99,824.20, 149,736.30 and 92,607.10

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Solution

The fourth proportional to 99,824.20, 149,736.30 and 92,607.10 is: 138,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,824.20 : 149,736.30 = 92,607.10 : x
  2. Step 2: Convert to fraction form
    99,824.20/149,736.30 = 92,607.10/x
  3. Step 3: Cross multiply
    99,824.20x = 149,736.30 × 92,607.10
  4. Step 4: Simplify right side
    99,824.20x = 13,866,644,507.73
  5. Step 5: Solve for x
    x = 13,866,644,507.73/99,824.20
  6. Step 6: Final answer
    x = 138,910.65

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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.