Home / 135,739.20-204,046.20-96,567.60

Finding the Fourth Proportional to 135,739.20, 204,046.20 and 96,567.60

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Solution

The fourth proportional to 135,739.20, 204,046.20 and 96,567.60 is: 145,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,739.20 : 204,046.20 = 96,567.60 : x
  2. Step 2: Convert to fraction form
    135,739.20/204,046.20 = 96,567.60/x
  3. Step 3: Cross multiply
    135,739.20x = 204,046.20 × 96,567.60
  4. Step 4: Simplify right side
    135,739.20x = 19,704,251,823.12
  5. Step 5: Solve for x
    x = 19,704,251,823.12/135,739.20
  6. Step 6: Final answer
    x = 145,162.58

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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.