Home / 133,530.11-184,396.46-85,866.27

Finding the Fourth Proportional to 133,530.11, 184,396.46 and 85,866.27

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Solution

The fourth proportional to 133,530.11, 184,396.46 and 85,866.27 is: 118,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,530.11 : 184,396.46 = 85,866.27 : x
  2. Step 2: Convert to fraction form
    133,530.11/184,396.46 = 85,866.27/x
  3. Step 3: Cross multiply
    133,530.11x = 184,396.46 × 85,866.27
  4. Step 4: Simplify right side
    133,530.11x = 15,833,436,221.40
  5. Step 5: Solve for x
    x = 15,833,436,221.40/133,530.11
  6. Step 6: Final answer
    x = 118,575.77

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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.