Home / 135,932.80-203,899.20-36,108.40

Finding the Fourth Proportional to 135,932.80, 203,899.20 and 36,108.40

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Solution

The fourth proportional to 135,932.80, 203,899.20 and 36,108.40 is: 54,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.80 : 203,899.20 = 36,108.40 : x
  2. Step 2: Convert to fraction form
    135,932.80/203,899.20 = 36,108.40/x
  3. Step 3: Cross multiply
    135,932.80x = 203,899.20 × 36,108.40
  4. Step 4: Simplify right side
    135,932.80x = 7,362,473,873.28
  5. Step 5: Solve for x
    x = 7,362,473,873.28/135,932.80
  6. Step 6: Final answer
    x = 54,162.60

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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.