Home / 133,467.57-184,081.28-85,725.36

Finding the Fourth Proportional to 133,467.57, 184,081.28 and 85,725.36

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Solution

The fourth proportional to 133,467.57, 184,081.28 and 85,725.36 is: 118,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,467.57 : 184,081.28 = 85,725.36 : x
  2. Step 2: Convert to fraction form
    133,467.57/184,081.28 = 85,725.36/x
  3. Step 3: Cross multiply
    133,467.57x = 184,081.28 × 85,725.36
  4. Step 4: Simplify right side
    133,467.57x = 15,780,433,997.26
  5. Step 5: Solve for x
    x = 15,780,433,997.26/133,467.57
  6. Step 6: Final answer
    x = 118,234.22

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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.