Home / 319,492.20-479,156.26-94,799.49

Finding the Fourth Proportional to 319,492.20, 479,156.26 and 94,799.49

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Solution

The fourth proportional to 319,492.20, 479,156.26 and 94,799.49 is: 142,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,492.20 : 479,156.26 = 94,799.49 : x
  2. Step 2: Convert to fraction form
    319,492.20/479,156.26 = 94,799.49/x
  3. Step 3: Cross multiply
    319,492.20x = 479,156.26 × 94,799.49
  4. Step 4: Simplify right side
    319,492.20x = 45,423,769,078.31
  5. Step 5: Solve for x
    x = 45,423,769,078.31/319,492.20
  6. Step 6: Final answer
    x = 142,174.89

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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.