Home / 133,549.59-184,313.09-85,153.24

Finding the Fourth Proportional to 133,549.59, 184,313.09 and 85,153.24

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Solution

The fourth proportional to 133,549.59, 184,313.09 and 85,153.24 is: 117,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,549.59 : 184,313.09 = 85,153.24 : x
  2. Step 2: Convert to fraction form
    133,549.59/184,313.09 = 85,153.24/x
  3. Step 3: Cross multiply
    133,549.59x = 184,313.09 × 85,153.24
  4. Step 4: Simplify right side
    133,549.59x = 15,694,855,440.58
  5. Step 5: Solve for x
    x = 15,694,855,440.58/133,549.59
  6. Step 6: Final answer
    x = 117,520.81

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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.