Home / 123,112.20-184,814.10-69,846.60

Finding the Fourth Proportional to 123,112.20, 184,814.10 and 69,846.60

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Solution

The fourth proportional to 123,112.20, 184,814.10 and 69,846.60 is: 104,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,112.20 : 184,814.10 = 69,846.60 : x
  2. Step 2: Convert to fraction form
    123,112.20/184,814.10 = 69,846.60/x
  3. Step 3: Cross multiply
    123,112.20x = 184,814.10 × 69,846.60
  4. Step 4: Simplify right side
    123,112.20x = 12,908,636,517.06
  5. Step 5: Solve for x
    x = 12,908,636,517.06/123,112.20
  6. Step 6: Final answer
    x = 104,852.62

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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.