Home / 107,609.20-161,442.60-96,002.80

Finding the Fourth Proportional to 107,609.20, 161,442.60 and 96,002.80

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Solution

The fourth proportional to 107,609.20, 161,442.60 and 96,002.80 is: 144,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,609.20 : 161,442.60 = 96,002.80 : x
  2. Step 2: Convert to fraction form
    107,609.20/161,442.60 = 96,002.80/x
  3. Step 3: Cross multiply
    107,609.20x = 161,442.60 × 96,002.80
  4. Step 4: Simplify right side
    107,609.20x = 15,498,941,639.28
  5. Step 5: Solve for x
    x = 15,498,941,639.28/107,609.20
  6. Step 6: Final answer
    x = 144,029.89

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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.