Home / 123,110.20-184,811.10-69,844.60

Finding the Fourth Proportional to 123,110.20, 184,811.10 and 69,844.60

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Solution

The fourth proportional to 123,110.20, 184,811.10 and 69,844.60 is: 104,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,110.20 : 184,811.10 = 69,844.60 : x
  2. Step 2: Convert to fraction form
    123,110.20/184,811.10 = 69,844.60/x
  3. Step 3: Cross multiply
    123,110.20x = 184,811.10 × 69,844.60
  4. Step 4: Simplify right side
    123,110.20x = 12,908,057,355.06
  5. Step 5: Solve for x
    x = 12,908,057,355.06/123,110.20
  6. Step 6: Final answer
    x = 104,849.62

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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.