Home / 133,613.96-184,511.22-100,021.64

Finding the Fourth Proportional to 133,613.96, 184,511.22 and 100,021.64

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Solution

The fourth proportional to 133,613.96, 184,511.22 and 100,021.64 is: 138,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,613.96 : 184,511.22 = 100,021.64 : x
  2. Step 2: Convert to fraction form
    133,613.96/184,511.22 = 100,021.64/x
  3. Step 3: Cross multiply
    133,613.96x = 184,511.22 × 100,021.64
  4. Step 4: Simplify right side
    133,613.96x = 18,455,114,822.80
  5. Step 5: Solve for x
    x = 18,455,114,822.80/133,613.96
  6. Step 6: Final answer
    x = 138,122.65

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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.