Home / 231,426.49-319,262.02-159,906.73

Finding the Fourth Proportional to 231,426.49, 319,262.02 and 159,906.73

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Solution

The fourth proportional to 231,426.49, 319,262.02 and 159,906.73 is: 220,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,426.49 : 319,262.02 = 159,906.73 : x
  2. Step 2: Convert to fraction form
    231,426.49/319,262.02 = 159,906.73/x
  3. Step 3: Cross multiply
    231,426.49x = 319,262.02 × 159,906.73
  4. Step 4: Simplify right side
    231,426.49x = 51,052,145,631.39
  5. Step 5: Solve for x
    x = 51,052,145,631.39/231,426.49
  6. Step 6: Final answer
    x = 220,597.68

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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.