Home / 231,424.49-319,259.26-159,904.73

Finding the Fourth Proportional to 231,424.49, 319,259.26 and 159,904.73

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Solution

The fourth proportional to 231,424.49, 319,259.26 and 159,904.73 is: 220,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,424.49 : 319,259.26 = 159,904.73 : x
  2. Step 2: Convert to fraction form
    231,424.49/319,259.26 = 159,904.73/x
  3. Step 3: Cross multiply
    231,424.49x = 319,259.26 × 159,904.73
  4. Step 4: Simplify right side
    231,424.49x = 51,051,065,770.30
  5. Step 5: Solve for x
    x = 51,051,065,770.30/231,424.49
  6. Step 6: Final answer
    x = 220,594.92

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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.