Home / 133,582.40-184,298.96-76,992.56

Finding the Fourth Proportional to 133,582.40, 184,298.96 and 76,992.56

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Solution

The fourth proportional to 133,582.40, 184,298.96 and 76,992.56 is: 106,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,582.40 : 184,298.96 = 76,992.56 : x
  2. Step 2: Convert to fraction form
    133,582.40/184,298.96 = 76,992.56/x
  3. Step 3: Cross multiply
    133,582.40x = 184,298.96 × 76,992.56
  4. Step 4: Simplify right side
    133,582.40x = 14,189,648,735.74
  5. Step 5: Solve for x
    x = 14,189,648,735.74/133,582.40
  6. Step 6: Final answer
    x = 106,223.94

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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.