Home / 133,580.53-184,358.19-76,992.31

Finding the Fourth Proportional to 133,580.53, 184,358.19 and 76,992.31

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Solution

The fourth proportional to 133,580.53, 184,358.19 and 76,992.31 is: 106,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,580.53 : 184,358.19 = 76,992.31 : x
  2. Step 2: Convert to fraction form
    133,580.53/184,358.19 = 76,992.31/x
  3. Step 3: Cross multiply
    133,580.53x = 184,358.19 × 76,992.31
  4. Step 4: Simplify right side
    133,580.53x = 14,194,162,915.52
  5. Step 5: Solve for x
    x = 14,194,162,915.52/133,580.53
  6. Step 6: Final answer
    x = 106,259.22

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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.