Home / 133,891.32-184,771.98-76,542.60

Finding the Fourth Proportional to 133,891.32, 184,771.98 and 76,542.60

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Solution

The fourth proportional to 133,891.32, 184,771.98 and 76,542.60 is: 105,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,891.32 : 184,771.98 = 76,542.60 : x
  2. Step 2: Convert to fraction form
    133,891.32/184,771.98 = 76,542.60/x
  3. Step 3: Cross multiply
    133,891.32x = 184,771.98 × 76,542.60
  4. Step 4: Simplify right side
    133,891.32x = 14,142,927,756.35
  5. Step 5: Solve for x
    x = 14,142,927,756.35/133,891.32
  6. Step 6: Final answer
    x = 105,629.91

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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.