Home / 133,506.16-184,438.60-87,674.54

Finding the Fourth Proportional to 133,506.16, 184,438.60 and 87,674.54

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Solution

The fourth proportional to 133,506.16, 184,438.60 and 87,674.54 is: 121,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,506.16 : 184,438.60 = 87,674.54 : x
  2. Step 2: Convert to fraction form
    133,506.16/184,438.60 = 87,674.54/x
  3. Step 3: Cross multiply
    133,506.16x = 184,438.60 × 87,674.54
  4. Step 4: Simplify right side
    133,506.16x = 16,170,568,271.86
  5. Step 5: Solve for x
    x = 16,170,568,271.86/133,506.16
  6. Step 6: Final answer
    x = 121,122.27

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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.