Home / 123,130.23-184,705.82-38,867.85

Finding the Fourth Proportional to 123,130.23, 184,705.82 and 38,867.85

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Solution

The fourth proportional to 123,130.23, 184,705.82 and 38,867.85 is: 58,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,130.23 : 184,705.82 = 38,867.85 : x
  2. Step 2: Convert to fraction form
    123,130.23/184,705.82 = 38,867.85/x
  3. Step 3: Cross multiply
    123,130.23x = 184,705.82 × 38,867.85
  4. Step 4: Simplify right side
    123,130.23x = 7,179,118,057.30
  5. Step 5: Solve for x
    x = 7,179,118,057.30/123,130.23
  6. Step 6: Final answer
    x = 58,305.08

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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.