Home / 133,841.36-184,716.52-80,126.35

Finding the Fourth Proportional to 133,841.36, 184,716.52 and 80,126.35

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Solution

The fourth proportional to 133,841.36, 184,716.52 and 80,126.35 is: 110,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,841.36 : 184,716.52 = 80,126.35 : x
  2. Step 2: Convert to fraction form
    133,841.36/184,716.52 = 80,126.35/x
  3. Step 3: Cross multiply
    133,841.36x = 184,716.52 × 80,126.35
  4. Step 4: Simplify right side
    133,841.36x = 14,800,659,870.19
  5. Step 5: Solve for x
    x = 14,800,659,870.19/133,841.36
  6. Step 6: Final answer
    x = 110,583.60

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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.