Home / 133,719.15-184,508.24-85,961.55

Finding the Fourth Proportional to 133,719.15, 184,508.24 and 85,961.55

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Solution

The fourth proportional to 133,719.15, 184,508.24 and 85,961.55 is: 118,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,719.15 : 184,508.24 = 85,961.55 : x
  2. Step 2: Convert to fraction form
    133,719.15/184,508.24 = 85,961.55/x
  3. Step 3: Cross multiply
    133,719.15x = 184,508.24 × 85,961.55
  4. Step 4: Simplify right side
    133,719.15x = 15,860,613,868.36
  5. Step 5: Solve for x
    x = 15,860,613,868.36/133,719.15
  6. Step 6: Final answer
    x = 118,611.39

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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.