Home / 231,539.64-319,218.40-166,954.83

Finding the Fourth Proportional to 231,539.64, 319,218.40 and 166,954.83

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Solution

The fourth proportional to 231,539.64, 319,218.40 and 166,954.83 is: 230,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,539.64 : 319,218.40 = 166,954.83 : x
  2. Step 2: Convert to fraction form
    231,539.64/319,218.40 = 166,954.83/x
  3. Step 3: Cross multiply
    231,539.64x = 319,218.40 × 166,954.83
  4. Step 4: Simplify right side
    231,539.64x = 53,295,053,704.87
  5. Step 5: Solve for x
    x = 53,295,053,704.87/231,539.64
  6. Step 6: Final answer
    x = 230,176.80

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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.