Home / 133,769.74-184,538.64-80,043.94

Finding the Fourth Proportional to 133,769.74, 184,538.64 and 80,043.94

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Solution

The fourth proportional to 133,769.74, 184,538.64 and 80,043.94 is: 110,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,769.74 : 184,538.64 = 80,043.94 : x
  2. Step 2: Convert to fraction form
    133,769.74/184,538.64 = 80,043.94/x
  3. Step 3: Cross multiply
    133,769.74x = 184,538.64 × 80,043.94
  4. Step 4: Simplify right side
    133,769.74x = 14,771,199,827.84
  5. Step 5: Solve for x
    x = 14,771,199,827.84/133,769.74
  6. Step 6: Final answer
    x = 110,422.58

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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.