Home / 133,241.13-183,786.75-79,484.67

Finding the Fourth Proportional to 133,241.13, 183,786.75 and 79,484.67

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Solution

The fourth proportional to 133,241.13, 183,786.75 and 79,484.67 is: 109,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,241.13 : 183,786.75 = 79,484.67 : x
  2. Step 2: Convert to fraction form
    133,241.13/183,786.75 = 79,484.67/x
  3. Step 3: Cross multiply
    133,241.13x = 183,786.75 × 79,484.67
  4. Step 4: Simplify right side
    133,241.13x = 14,608,229,174.12
  5. Step 5: Solve for x
    x = 14,608,229,174.12/133,241.13
  6. Step 6: Final answer
    x = 109,637.54

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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.