Home / 135,904.20-203,856.30-133,935.90

Finding the Fourth Proportional to 135,904.20, 203,856.30 and 133,935.90

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Solution

The fourth proportional to 135,904.20, 203,856.30 and 133,935.90 is: 200,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.20 : 203,856.30 = 133,935.90 : x
  2. Step 2: Convert to fraction form
    135,904.20/203,856.30 = 133,935.90/x
  3. Step 3: Cross multiply
    135,904.20x = 203,856.30 × 133,935.90
  4. Step 4: Simplify right side
    135,904.20x = 27,303,677,011.17
  5. Step 5: Solve for x
    x = 27,303,677,011.17/135,904.20
  6. Step 6: Final answer
    x = 200,903.85

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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.