Home / 319,493.20-479,157.76-94,800.49

Finding the Fourth Proportional to 319,493.20, 479,157.76 and 94,800.49

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Solution

The fourth proportional to 319,493.20, 479,157.76 and 94,800.49 is: 142,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,493.20 : 479,157.76 = 94,800.49 : x
  2. Step 2: Convert to fraction form
    319,493.20/479,157.76 = 94,800.49/x
  3. Step 3: Cross multiply
    319,493.20x = 479,157.76 × 94,800.49
  4. Step 4: Simplify right side
    319,493.20x = 45,424,390,435.30
  5. Step 5: Solve for x
    x = 45,424,390,435.30/319,493.20
  6. Step 6: Final answer
    x = 142,176.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.