Home / 135,702.30-203,553.97-56,761.16

Finding the Fourth Proportional to 135,702.30, 203,553.97 and 56,761.16

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Solution

The fourth proportional to 135,702.30, 203,553.97 and 56,761.16 is: 85,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,702.30 : 203,553.97 = 56,761.16 : x
  2. Step 2: Convert to fraction form
    135,702.30/203,553.97 = 56,761.16/x
  3. Step 3: Cross multiply
    135,702.30x = 203,553.97 × 56,761.16
  4. Step 4: Simplify right side
    135,702.30x = 11,553,959,826.79
  5. Step 5: Solve for x
    x = 11,553,959,826.79/135,702.30
  6. Step 6: Final answer
    x = 85,141.96

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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.