Home / 272,383.40-408,577.14-94,890.12

Finding the Fourth Proportional to 272,383.40, 408,577.14 and 94,890.12

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Solution

The fourth proportional to 272,383.40, 408,577.14 and 94,890.12 is: 142,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,383.40 : 408,577.14 = 94,890.12 : x
  2. Step 2: Convert to fraction form
    272,383.40/408,577.14 = 94,890.12/x
  3. Step 3: Cross multiply
    272,383.40x = 408,577.14 × 94,890.12
  4. Step 4: Simplify right side
    272,383.40x = 38,769,933,843.86
  5. Step 5: Solve for x
    x = 38,769,933,843.86/272,383.40
  6. Step 6: Final answer
    x = 142,335.89

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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.