Home / 133,613.78-184,390.58-75,465.84

Finding the Fourth Proportional to 133,613.78, 184,390.58 and 75,465.84

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Solution

The fourth proportional to 133,613.78, 184,390.58 and 75,465.84 is: 104,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,613.78 : 184,390.58 = 75,465.84 : x
  2. Step 2: Convert to fraction form
    133,613.78/184,390.58 = 75,465.84/x
  3. Step 3: Cross multiply
    133,613.78x = 184,390.58 × 75,465.84
  4. Step 4: Simplify right side
    133,613.78x = 13,915,190,007.79
  5. Step 5: Solve for x
    x = 13,915,190,007.79/133,613.78
  6. Step 6: Final answer
    x = 104,144.87

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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.