Home / 99,824.30-149,736.45-92,221.10

Finding the Fourth Proportional to 99,824.30, 149,736.45 and 92,221.10

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Solution

The fourth proportional to 99,824.30, 149,736.45 and 92,221.10 is: 138,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,824.30 : 149,736.45 = 92,221.10 : x
  2. Step 2: Convert to fraction form
    99,824.30/149,736.45 = 92,221.10/x
  3. Step 3: Cross multiply
    99,824.30x = 149,736.45 × 92,221.10
  4. Step 4: Simplify right side
    99,824.30x = 13,808,860,129.10
  5. Step 5: Solve for x
    x = 13,808,860,129.10/99,824.30
  6. Step 6: Final answer
    x = 138,331.65

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Similar ratio
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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.