Home / 135,952.28-203,928.42-52,865.72

Finding the Fourth Proportional to 135,952.28, 203,928.42 and 52,865.72

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Solution

The fourth proportional to 135,952.28, 203,928.42 and 52,865.72 is: 79,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,952.28 : 203,928.42 = 52,865.72 : x
  2. Step 2: Convert to fraction form
    135,952.28/203,928.42 = 52,865.72/x
  3. Step 3: Cross multiply
    135,952.28x = 203,928.42 × 52,865.72
  4. Step 4: Simplify right side
    135,952.28x = 10,780,822,751.76
  5. Step 5: Solve for x
    x = 10,780,822,751.76/135,952.28
  6. Step 6: Final answer
    x = 79,298.58

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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.