Home / 135,905.60-203,761.20-60,964.40

Finding the Fourth Proportional to 135,905.60, 203,761.20 and 60,964.40

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Solution

The fourth proportional to 135,905.60, 203,761.20 and 60,964.40 is: 91,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,905.60 : 203,761.20 = 60,964.40 : x
  2. Step 2: Convert to fraction form
    135,905.60/203,761.20 = 60,964.40/x
  3. Step 3: Cross multiply
    135,905.60x = 203,761.20 × 60,964.40
  4. Step 4: Simplify right side
    135,905.60x = 12,422,179,301.28
  5. Step 5: Solve for x
    x = 12,422,179,301.28/135,905.60
  6. Step 6: Final answer
    x = 91,403.00

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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.