Home / 133,806.96-184,671-87,906.24

Finding the Fourth Proportional to 133,806.96, 184,671 and 87,906.24

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Solution

The fourth proportional to 133,806.96, 184,671 and 87,906.24 is: 121,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,806.96 : 184,671 = 87,906.24 : x
  2. Step 2: Convert to fraction form
    133,806.96/184,671 = 87,906.24/x
  3. Step 3: Cross multiply
    133,806.96x = 184,671 × 87,906.24
  4. Step 4: Simplify right side
    133,806.96x = 16,233,733,247.04
  5. Step 5: Solve for x
    x = 16,233,733,247.04/133,806.96
  6. Step 6: Final answer
    x = 121,322.04

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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.