Home / 135,868.88-203,737.80-56,961.92

Finding the Fourth Proportional to 135,868.88, 203,737.80 and 56,961.92

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Solution

The fourth proportional to 135,868.88, 203,737.80 and 56,961.92 is: 85,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,868.88 : 203,737.80 = 56,961.92 : x
  2. Step 2: Convert to fraction form
    135,868.88/203,737.80 = 56,961.92/x
  3. Step 3: Cross multiply
    135,868.88x = 203,737.80 × 56,961.92
  4. Step 4: Simplify right side
    135,868.88x = 11,605,296,264.58
  5. Step 5: Solve for x
    x = 11,605,296,264.58/135,868.88
  6. Step 6: Final answer
    x = 85,415.41

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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.