Home / 133,917.12-184,759.85-76,515.26

Finding the Fourth Proportional to 133,917.12, 184,759.85 and 76,515.26

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Solution

The fourth proportional to 133,917.12, 184,759.85 and 76,515.26 is: 105,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,917.12 : 184,759.85 = 76,515.26 : x
  2. Step 2: Convert to fraction form
    133,917.12/184,759.85 = 76,515.26/x
  3. Step 3: Cross multiply
    133,917.12x = 184,759.85 × 76,515.26
  4. Step 4: Simplify right side
    133,917.12x = 14,136,947,227.80
  5. Step 5: Solve for x
    x = 14,136,947,227.80/133,917.12
  6. Step 6: Final answer
    x = 105,564.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.