Home / 231,047.30-319,283.71-166,727.63

Finding the Fourth Proportional to 231,047.30, 319,283.71 and 166,727.63

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Solution

The fourth proportional to 231,047.30, 319,283.71 and 166,727.63 is: 230,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,047.30 : 319,283.71 = 166,727.63 : x
  2. Step 2: Convert to fraction form
    231,047.30/319,283.71 = 166,727.63/x
  3. Step 3: Cross multiply
    231,047.30x = 319,283.71 × 166,727.63
  4. Step 4: Simplify right side
    231,047.30x = 53,233,416,647.30
  5. Step 5: Solve for x
    x = 53,233,416,647.30/231,047.30
  6. Step 6: Final answer
    x = 230,400.51

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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.