Home / 133,606.60-184,380.09-76,244.78

Finding the Fourth Proportional to 133,606.60, 184,380.09 and 76,244.78

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Solution

The fourth proportional to 133,606.60, 184,380.09 and 76,244.78 is: 105,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,606.60 : 184,380.09 = 76,244.78 : x
  2. Step 2: Convert to fraction form
    133,606.60/184,380.09 = 76,244.78/x
  3. Step 3: Cross multiply
    133,606.60x = 184,380.09 × 76,244.78
  4. Step 4: Simplify right side
    133,606.60x = 14,058,018,095.31
  5. Step 5: Solve for x
    x = 14,058,018,095.31/133,606.60
  6. Step 6: Final answer
    x = 105,219.49

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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.