Home / 133,900.37-184,788.28-80,175.12

Finding the Fourth Proportional to 133,900.37, 184,788.28 and 80,175.12

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Solution

The fourth proportional to 133,900.37, 184,788.28 and 80,175.12 is: 110,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,900.37 : 184,788.28 = 80,175.12 : x
  2. Step 2: Convert to fraction form
    133,900.37/184,788.28 = 80,175.12/x
  3. Step 3: Cross multiply
    133,900.37x = 184,788.28 × 80,175.12
  4. Step 4: Simplify right side
    133,900.37x = 14,815,421,930.86
  5. Step 5: Solve for x
    x = 14,815,421,930.86/133,900.37
  6. Step 6: Final answer
    x = 110,645.12

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1.5x scale

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.