Home / 135,914.28-203,871.59-51,654.65

Finding the Fourth Proportional to 135,914.28, 203,871.59 and 51,654.65

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Solution

The fourth proportional to 135,914.28, 203,871.59 and 51,654.65 is: 77,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,914.28 : 203,871.59 = 51,654.65 : x
  2. Step 2: Convert to fraction form
    135,914.28/203,871.59 = 51,654.65/x
  3. Step 3: Cross multiply
    135,914.28x = 203,871.59 × 51,654.65
  4. Step 4: Simplify right side
    135,914.28x = 10,530,914,348.76
  5. Step 5: Solve for x
    x = 10,530,914,348.76/135,914.28
  6. Step 6: Final answer
    x = 77,482.03

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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.