Home / 133,627.56-184,429.77-79,918.47

Finding the Fourth Proportional to 133,627.56, 184,429.77 and 79,918.47

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Solution

The fourth proportional to 133,627.56, 184,429.77 and 79,918.47 is: 110,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,627.56 : 184,429.77 = 79,918.47 : x
  2. Step 2: Convert to fraction form
    133,627.56/184,429.77 = 79,918.47/x
  3. Step 3: Cross multiply
    133,627.56x = 184,429.77 × 79,918.47
  4. Step 4: Simplify right side
    133,627.56x = 14,739,345,040.85
  5. Step 5: Solve for x
    x = 14,739,345,040.85/133,627.56
  6. Step 6: Final answer
    x = 110,301.69

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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.