Home / 135,147.60-202,867.20-76,098.60

Finding the Fourth Proportional to 135,147.60, 202,867.20 and 76,098.60

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Solution

The fourth proportional to 135,147.60, 202,867.20 and 76,098.60 is: 114,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,147.60 : 202,867.20 = 76,098.60 : x
  2. Step 2: Convert to fraction form
    135,147.60/202,867.20 = 76,098.60/x
  3. Step 3: Cross multiply
    135,147.60x = 202,867.20 × 76,098.60
  4. Step 4: Simplify right side
    135,147.60x = 15,437,909,905.92
  5. Step 5: Solve for x
    x = 15,437,909,905.92/135,147.60
  6. Step 6: Final answer
    x = 114,230.00

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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.