Home / 95,208.20-142,812.30-80,001.80

Finding the Fourth Proportional to 95,208.20, 142,812.30 and 80,001.80

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Solution

The fourth proportional to 95,208.20, 142,812.30 and 80,001.80 is: 120,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,208.20 : 142,812.30 = 80,001.80 : x
  2. Step 2: Convert to fraction form
    95,208.20/142,812.30 = 80,001.80/x
  3. Step 3: Cross multiply
    95,208.20x = 142,812.30 × 80,001.80
  4. Step 4: Simplify right side
    95,208.20x = 11,425,241,062.14
  5. Step 5: Solve for x
    x = 11,425,241,062.14/95,208.20
  6. Step 6: Final answer
    x = 120,002.70

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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.