Home / 133,687.23-184,493.46-76,335.89

Finding the Fourth Proportional to 133,687.23, 184,493.46 and 76,335.89

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Solution

The fourth proportional to 133,687.23, 184,493.46 and 76,335.89 is: 105,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.23 : 184,493.46 = 76,335.89 : x
  2. Step 2: Convert to fraction form
    133,687.23/184,493.46 = 76,335.89/x
  3. Step 3: Cross multiply
    133,687.23x = 184,493.46 × 76,335.89
  4. Step 4: Simplify right side
    133,687.23x = 14,083,471,545.81
  5. Step 5: Solve for x
    x = 14,083,471,545.81/133,687.23
  6. Step 6: Final answer
    x = 105,346.42

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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.