Home / 133,914.36-184,801.72-76,554.96

Finding the Fourth Proportional to 133,914.36, 184,801.72 and 76,554.96

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Solution

The fourth proportional to 133,914.36, 184,801.72 and 76,554.96 is: 105,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,914.36 : 184,801.72 = 76,554.96 : x
  2. Step 2: Convert to fraction form
    133,914.36/184,801.72 = 76,554.96/x
  3. Step 3: Cross multiply
    133,914.36x = 184,801.72 × 76,554.96
  4. Step 4: Simplify right side
    133,914.36x = 14,147,487,541.68
  5. Step 5: Solve for x
    x = 14,147,487,541.68/133,914.36
  6. Step 6: Final answer
    x = 105,645.78

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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.