Home / 99,255.30-148,867.26-82,495.89

Finding the Fourth Proportional to 99,255.30, 148,867.26 and 82,495.89

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Solution

The fourth proportional to 99,255.30, 148,867.26 and 82,495.89 is: 123,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,255.30 : 148,867.26 = 82,495.89 : x
  2. Step 2: Convert to fraction form
    99,255.30/148,867.26 = 82,495.89/x
  3. Step 3: Cross multiply
    99,255.30x = 148,867.26 × 82,495.89
  4. Step 4: Simplify right side
    99,255.30x = 12,280,936,361.23
  5. Step 5: Solve for x
    x = 12,280,936,361.23/99,255.30
  6. Step 6: Final answer
    x = 123,730.79

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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.