Home / 135,872.52-203,742.95-56,965.56

Finding the Fourth Proportional to 135,872.52, 203,742.95 and 56,965.56

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Solution

The fourth proportional to 135,872.52, 203,742.95 and 56,965.56 is: 85,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,872.52 : 203,742.95 = 56,965.56 : x
  2. Step 2: Convert to fraction form
    135,872.52/203,742.95 = 56,965.56/x
  3. Step 3: Cross multiply
    135,872.52x = 203,742.95 × 56,965.56
  4. Step 4: Simplify right side
    135,872.52x = 11,606,330,957.97
  5. Step 5: Solve for x
    x = 11,606,330,957.97/135,872.52
  6. Step 6: Final answer
    x = 85,420.74

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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.