Home / 231,540.51-319,219.60-166,955.70

Finding the Fourth Proportional to 231,540.51, 319,219.60 and 166,955.70

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Solution

The fourth proportional to 231,540.51, 319,219.60 and 166,955.70 is: 230,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,540.51 : 319,219.60 = 166,955.70 : x
  2. Step 2: Convert to fraction form
    231,540.51/319,219.60 = 166,955.70/x
  3. Step 3: Cross multiply
    231,540.51x = 319,219.60 × 166,955.70
  4. Step 4: Simplify right side
    231,540.51x = 53,295,531,771.72
  5. Step 5: Solve for x
    x = 53,295,531,771.72/231,540.51
  6. Step 6: Final answer
    x = 230,178.00

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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.