Home / 231,956.06-320,253.62-178,144.92

Finding the Fourth Proportional to 231,956.06, 320,253.62 and 178,144.92

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Solution

The fourth proportional to 231,956.06, 320,253.62 and 178,144.92 is: 245,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,956.06 : 320,253.62 = 178,144.92 : x
  2. Step 2: Convert to fraction form
    231,956.06/320,253.62 = 178,144.92/x
  3. Step 3: Cross multiply
    231,956.06x = 320,253.62 × 178,144.92
  4. Step 4: Simplify right side
    231,956.06x = 57,051,554,623.89
  5. Step 5: Solve for x
    x = 57,051,554,623.89/231,956.06
  6. Step 6: Final answer
    x = 245,958.46

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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.