Home / 231,205.73-319,162.01-140,590.49

Finding the Fourth Proportional to 231,205.73, 319,162.01 and 140,590.49

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Solution

The fourth proportional to 231,205.73, 319,162.01 and 140,590.49 is: 194,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,205.73 : 319,162.01 = 140,590.49 : x
  2. Step 2: Convert to fraction form
    231,205.73/319,162.01 = 140,590.49/x
  3. Step 3: Cross multiply
    231,205.73x = 319,162.01 × 140,590.49
  4. Step 4: Simplify right side
    231,205.73x = 44,871,141,076.52
  5. Step 5: Solve for x
    x = 44,871,141,076.52/231,205.73
  6. Step 6: Final answer
    x = 194,074.52

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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.