Home / 133,924.69-184,821.85-80,199.42

Finding the Fourth Proportional to 133,924.69, 184,821.85 and 80,199.42

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Solution

The fourth proportional to 133,924.69, 184,821.85 and 80,199.42 is: 110,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,924.69 : 184,821.85 = 80,199.42 : x
  2. Step 2: Convert to fraction form
    133,924.69/184,821.85 = 80,199.42/x
  3. Step 3: Cross multiply
    133,924.69x = 184,821.85 × 80,199.42
  4. Step 4: Simplify right side
    133,924.69x = 14,822,604,580.49
  5. Step 5: Solve for x
    x = 14,822,604,580.49/133,924.69
  6. Step 6: Final answer
    x = 110,678.65

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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.