Home / 122,982.70-184,441.65-38,742.70

Finding the Fourth Proportional to 122,982.70, 184,441.65 and 38,742.70

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Solution

The fourth proportional to 122,982.70, 184,441.65 and 38,742.70 is: 58,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,982.70 : 184,441.65 = 38,742.70 : x
  2. Step 2: Convert to fraction form
    122,982.70/184,441.65 = 38,742.70/x
  3. Step 3: Cross multiply
    122,982.70x = 184,441.65 × 38,742.70
  4. Step 4: Simplify right side
    122,982.70x = 7,145,767,513.46
  5. Step 5: Solve for x
    x = 7,145,767,513.46/122,982.70
  6. Step 6: Final answer
    x = 58,103.84

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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.