Home / 133,829.75-184,685.06-74,213.75

Finding the Fourth Proportional to 133,829.75, 184,685.06 and 74,213.75

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Solution

The fourth proportional to 133,829.75, 184,685.06 and 74,213.75 is: 102,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,829.75 : 184,685.06 = 74,213.75 : x
  2. Step 2: Convert to fraction form
    133,829.75/184,685.06 = 74,213.75/x
  3. Step 3: Cross multiply
    133,829.75x = 184,685.06 × 74,213.75
  4. Step 4: Simplify right side
    133,829.75x = 13,706,170,871.58
  5. Step 5: Solve for x
    x = 13,706,170,871.58/133,829.75
  6. Step 6: Final answer
    x = 102,414.98

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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.