Home / 181,966.72-273,103.44-76,861.12

Finding the Fourth Proportional to 181,966.72, 273,103.44 and 76,861.12

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Solution

The fourth proportional to 181,966.72, 273,103.44 and 76,861.12 is: 115,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,966.72 : 273,103.44 = 76,861.12 : x
  2. Step 2: Convert to fraction form
    181,966.72/273,103.44 = 76,861.12/x
  3. Step 3: Cross multiply
    181,966.72x = 273,103.44 × 76,861.12
  4. Step 4: Simplify right side
    181,966.72x = 20,991,036,274.25
  5. Step 5: Solve for x
    x = 20,991,036,274.25/181,966.72
  6. Step 6: Final answer
    x = 115,356.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.