Home / 123,133.42-184,710.60-38,871.04

Finding the Fourth Proportional to 123,133.42, 184,710.60 and 38,871.04

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Solution

The fourth proportional to 123,133.42, 184,710.60 and 38,871.04 is: 58,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,133.42 : 184,710.60 = 38,871.04 : x
  2. Step 2: Convert to fraction form
    123,133.42/184,710.60 = 38,871.04/x
  3. Step 3: Cross multiply
    123,133.42x = 184,710.60 × 38,871.04
  4. Step 4: Simplify right side
    123,133.42x = 7,179,892,659.25
  5. Step 5: Solve for x
    x = 7,179,892,659.25/123,133.42
  6. Step 6: Final answer
    x = 58,309.86

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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.